{"id":"CVE-2023-34325","aliases":["ALPINE-CVE-2023-34325","DEBIAN-CVE-2023-34325","EUVD-2023-38406","GHSA-gwmw-qvr5-88j2","SUSE-SU-2023:4054-1","SUSE-SU-2023:4055-1","SUSE-SU-2023:4174-1","SUSE-SU-2023:4183-1","SUSE-SU-2023:4184-1","SUSE-SU-2023:4185-1","SUSE-SU-2023:4475-1","SUSE-SU-2023:4476-1","UBUNTU-CVE-2023-34325","openSUSE-SU-2024:13442-1"],"status":"published","title":"Multiple vulnerabilities in libfsimage disk handling","description":"[This CNA information record relates to multiple CVEs; the\ntext explains which aspects/vulnerabilities correspond to which CVE.]\n\nlibfsimage contains parsing code for several filesystems, most of them based on\ngrub-legacy code.  libfsimage is used by pygrub to inspect guest disks.\n\nPygrub runs as the same user as the toolstack (root in a priviledged domain).\n\nAt least one issue has been reported to the Xen Security Team that allows an\nattacker to trigger a stack buffer overflow in libfsimage.  After further\nanalisys the Xen Security Team is no longer confident in the suitability of\nlibfsimage when run against guest controlled input with super user priviledges.\n\nIn order to not affect current deployments that rely on pygrub patches are\nprovided in the resolution section of the advisory that allow running pygrub in\ndeprivileged mode.\n\nCVE-2023-4949 refers to the original issue in the upstream grub\nproject (\"An attacker with local access to a system (either through a\ndisk or external drive) can present a modified XFS partition to\ngrub-legacy in such a way to exploit a memory corruption in grub’s XFS\nfile system implementation.\")  CVE-2023-34325 refers specifically to\nthe vulnerabilities in Xen's copy of libfsimage, which is decended\nfrom a very old version of grub.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00255,"percentile":0.17253,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2023-10-12T07:49:44Z","modified":"2026-10-26T18:01:58Z","fixes":[{"ecosystem":"Alpine:v3.15","package":"xen","fixed_in":["4.15.5-r3"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"xen","fixed_in":["4.16.5-r3"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"xen","fixed_in":["4.16.5-r3"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"xen","fixed_in":["4.17.2-r3"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"xen","fixed_in":["4.17.2-r3"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"xen","fixed_in":["4.17.2-r3"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"xen","fixed_in":["4.17.2-r3"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"xen","fixed_in":["4.17.2-r3"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"xen","fixed_in":["4.17.2-r3"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"xen","fixed_in":["4.17.2-r3"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"xen","fixed_in":["4.17.2+76-ge1f9cb16e2-1~deb12u1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"xen","fixed_in":["4.17.2+55-g0b56bed864-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"xen","fixed_in":["4.17.2+55-g0b56bed864-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.15","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.5-r3"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.16.5-r3"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.16.5-r3"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.17.2-r3"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.17.2-r3"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.17.2-r3"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.17.2-r3"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.17.2-r3"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.17.2-r3"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.17.2-r3"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.17.2+76-ge1f9cb16e2-1~deb12u1"}]}],"versions":["4.17.1+2-gb773c48e36-1","4.17.2+55-g0b56bed864-1","4.17.2-1"]},{"source":"osv","ecosystem":"Debian:13","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.17.2+55-g0b56bed864-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.17.2+55-g0b56bed864-1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux 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vulnerabilities in libfsimage disk handling","description":"\n[This CNA information record relates to multiple CVEs; the\ntext explains which aspects/vulnerabilities correspond to which CVE.]\n\nlibfsimage contains parsing code for several filesystems, most of them based on\ngrub-legacy code.  libfsimage is used by pygrub to inspect guest disks.\n\nPygrub runs as the same user as the toolstack (root in a priviledged domain).\n\nAt least one issue has been reported to the Xen Security Team that allows an\nattacker to trigger a stack buffer overflow in libfsimage.  After further\nanalisys the Xen Security Team is no longer confident in the suitability of\nlibfsimage when run against guest controlled input with super user priviledges.\n\nIn order to not affect current deployments that rely on pygrub patches are\nprovided in the resolution section of the advisory that allow running pygrub in\ndeprivileged mode.\n\nCVE-2023-4949 refers to the original issue in the upstream grub\nproject (\"An attacker with local access to a system (either through a\ndisk or external drive) can present a modified XFS partition to\ngrub-legacy in such a way to exploit a memory corruption in grub’s XFS\nfile system implementation.\")  CVE-2023-34325 refers specifically to\nthe vulnerabilities in Xen's copy of libfsimage, which is decended\nfrom a very old version of grub.\n","status":"published","published":"2024-01-05T16:31:09.66Z","modified":"2025-11-04T19:16:38.774Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:35:35.912488Z"}],"euvd":[{"id":"EUVD-2023-38406","description":"\n[This CNA information record relates to multiple CVEs; the\ntext explains which aspects/vulnerabilities correspond to which CVE.]\n\nlibfsimage contains parsing code for several filesystems, most of them based on\ngrub-legacy code.  libfsimage is used by pygrub to inspect guest disks.\n\nPygrub runs as the same user as the toolstack (root in a priviledged domain).\n\nAt least one issue has been reported to the Xen Security Team that allows an\nattacker to trigger a stack buffer overflow in libfsimage.  After further\nanalisys the Xen Security Team is no longer confident in the suitability of\nlibfsimage when run against guest controlled input with super user priviledges.\n\nIn order to not affect current deployments that rely on pygrub patches are\nprovided in the resolution section of the advisory that allow running pygrub in\ndeprivileged mode.\n\nCVE-2023-4949 refers to the original issue in the upstream grub\nproject (\"An attacker with local access to a system (either through a\ndisk or external drive) can present a modified XFS partition to\ngrub-legacy in such a way to exploit a memory corruption in grub’s XFS\nfile system implementation.\")  CVE-2023-34325 refers specifically to\nthe vulnerabilities in Xen's copy of libfsimage, which is decended\nfrom a very old version of grub.\n","status":"published","published":"2024-01-05T16:31:09Z","modified":"2025-11-04T19:16:38Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:49:22.434386Z"}],"ghsa":[{"id":"GHSA-gwmw-qvr5-88j2","title":"[This CNA information record relates to multiple CVEs; the\ntext explains which aspects...","description":"[This CNA information record relates to multiple CVEs; the\ntext explains which aspects/vulnerabilities correspond to which CVE.]\n\nlibfsimage contains parsing code for several filesystems, most of them based on\ngrub-legacy code.  libfsimage is used by pygrub to inspect guest disks.\n\nPygrub runs as the same user as the toolstack (root in a priviledged domain).\n\nAt least one issue has been reported to the Xen Security Team that allows an\nattacker to trigger a stack buffer overflow in libfsimage.  After further\nanalisys the Xen Security Team is no longer confident in the suitability of\nlibfsimage when run against guest controlled input with super user priviledges.\n\nIn order to not affect current deployments that rely on pygrub patches are\nprovided in the resolution section of the advisory that allow running pygrub in\ndeprivileged mode.\n\nCVE-2023-4949 refers to the original issue in the upstream grub\nproject (\"An attacker with local access to a system (either through a\ndisk or external drive) can present a modified XFS partition to\ngrub-legacy in such a way to exploit a memory corruption in grub’s XFS\nfile system implementation.\")  CVE-2023-34325 refers specifically to\nthe vulnerabilities in Xen's copy of libfsimage, which is decended\nfrom a very old version of grub.","status":"published","published":"2024-01-05T18:30:25Z","modified":"2025-11-04T21:30:55Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:04:36.009389Z"}],"nvd":[{"id":"CVE-2023-34325","description":"\n[This CNA information record relates to multiple CVEs; the\ntext explains which aspects/vulnerabilities correspond to which CVE.]\n\nlibfsimage contains parsing code for several filesystems, most of them based on\ngrub-legacy code.  libfsimage is used by pygrub to inspect guest disks.\n\nPygrub runs as the same user as the toolstack (root in a priviledged domain).\n\nAt least one issue has been reported to the Xen Security Team that allows an\nattacker to trigger a stack buffer overflow in libfsimage.  After further\nanalisys the Xen Security Team is no longer confident in the suitability of\nlibfsimage when run against guest controlled input with super user priviledges.\n\nIn order to not affect current deployments that rely on pygrub patches are\nprovided in the resolution section of the advisory that allow running pygrub in\ndeprivileged mode.\n\nCVE-2023-4949 refers to the original issue in the upstream grub\nproject (\"An attacker with local access to a system (either through a\ndisk or external drive) can present a modified XFS partition to\ngrub-legacy in such a way to exploit a memory corruption in grub’s XFS\nfile system implementation.\")  CVE-2023-34325 refers specifically to\nthe vulnerabilities in Xen's copy of libfsimage, which is decended\nfrom a very old version of grub.\n","status":"published","published":"2024-01-05T17:15:08.59Z","modified":"2026-06-17T06:03:23.717Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:59.830468Z"}],"osv":[{"id":"ALPINE-CVE-2023-34325","description":"\n[This CNA information record relates to multiple CVEs; the\ntext explains which aspects/vulnerabilities correspond to which CVE.]\n\nlibfsimage contains parsing code for several filesystems, most of them based on\ngrub-legacy code.  libfsimage is used by pygrub to inspect guest disks.\n\nPygrub runs as the same user as the toolstack (root in a priviledged domain).\n\nAt least one issue has been reported to the Xen Security Team that allows an\nattacker to trigger a stack buffer overflow in libfsimage.  After further\nanalisys the Xen Security Team is no longer confident in the suitability of\nlibfsimage when run against guest controlled input with super user priviledges.\n\nIn order to not affect current deployments that rely on pygrub patches are\nprovided in the resolution section of the advisory that allow running pygrub in\ndeprivileged mode.\n\nCVE-2023-4949 refers to the original issue in the upstream grub\nproject (\"An attacker with local access to a system (either through a\ndisk or external drive) can present a modified XFS partition to\ngrub-legacy in such a way to exploit a memory corruption in grub’s XFS\nfile system implementation.\")  CVE-2023-34325 refers specifically to\nthe vulnerabilities in Xen's copy of libfsimage, which is decended\nfrom a very old version of grub.\n","status":"published","published":"2024-01-05T17:15:08.59Z","modified":"2026-10-26T17:17:58.626833535Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:27:49.709457Z"},{"id":"CVE-2023-34325","description":"\n[This CNA information record relates to multiple CVEs; the\ntext explains which aspects/vulnerabilities correspond to which CVE.]\n\nlibfsimage contains parsing code for several filesystems, most of them based on\ngrub-legacy code.  libfsimage is used by pygrub to inspect guest disks.\n\nPygrub runs as the same user as the toolstack (root in a priviledged domain).\n\nAt least one issue has been reported to the Xen Security Team that allows an\nattacker to trigger a stack buffer overflow in libfsimage.  After further\nanalisys the Xen Security Team is no longer confident in the suitability of\nlibfsimage when run against guest controlled input with super user priviledges.\n\nIn order to not affect current deployments that rely on pygrub patches are\nprovided in the resolution section of the advisory that allow running pygrub in\ndeprivileged mode.\n\nCVE-2023-4949 refers to the original issue in the upstream grub\nproject (\"An attacker with local access to a system (either through a\ndisk or external drive) can present a modified XFS partition to\ngrub-legacy in such a way to exploit a memory corruption in grub’s XFS\nfile system implementation.\")  CVE-2023-34325 refers specifically to\nthe vulnerabilities in Xen's copy of libfsimage, which is decended\nfrom a very old version of grub.\n","status":"published","published":"2024-01-05T17:15:08Z","modified":"2026-04-10T04:58:28.533136Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:32.116263Z"},{"id":"DEBIAN-CVE-2023-34325","description":"[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.]  libfsimage contains parsing code for several filesystems, most of them based on grub-legacy code.  libfsimage is used by pygrub to inspect guest disks.  Pygrub runs as the same user as the toolstack (root in a priviledged domain).  At least one issue has been reported to the Xen Security Team that allows an attacker to trigger a stack buffer overflow in libfsimage.  After further analisys the Xen Security Team is no longer confident in the suitability of libfsimage when run against guest controlled input with super user priviledges.  In order to not affect current deployments that rely on pygrub patches are provided in the resolution section of the advisory that allow running pygrub in deprivileged mode.  CVE-2023-4949 refers to the original issue in the upstream grub project (\"An attacker with local access to a system (either through a disk or external drive) can present a modified XFS partition to grub-legacy in such a way to exploit a memory corruption in grub’s XFS file system implementation.\")  CVE-2023-34325 refers specifically to the vulnerabilities in Xen's copy of libfsimage, which is decended from a very old version of grub.","status":"published","published":"2024-01-05T17:15:08.59Z","modified":"2026-10-26T18:01:58.440044273Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:39.679062Z"},{"id":"UBUNTU-CVE-2023-34325","description":"[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] libfsimage contains parsing code for several filesystems, most of them based on grub-legacy code.  libfsimage is used by pygrub to inspect guest disks. Pygrub runs as the same user as the toolstack (root in a priviledged domain). At least one issue has been reported to the Xen Security Team that allows an attacker to trigger a stack buffer overflow in libfsimage.  After further analisys the Xen Security Team is no longer confident in the suitability of libfsimage when run against guest controlled input with super user priviledges. In order to not affect current deployments that rely on pygrub patches are provided in the resolution section of the advisory that allow running pygrub in deprivileged mode. CVE-2023-4949 refers to the original issue in the upstream grub project (\"An attacker with local access to a system (either through a disk or external drive) can present a modified XFS partition to grub-legacy in such a way to exploit a memory corruption in grub’s XFS file system implementation.\")  CVE-2023-34325 refers specifically to the vulnerabilities in Xen's copy of libfsimage, which is decended from a very old version of grub.","status":"published","published":"2024-01-05T17:15:00Z","modified":"2026-10-17T12:57:19.968427737Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:54:21.882004Z"},{"id":"openSUSE-SU-2024:13442-1","title":"xen-4.18.0_02-1.1 on GA media","description":"These are all security issues fixed in the xen-4.18.0_02-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:12:24.087443Z","updated_at":"2026-11-02T16:58:36.327643Z"},{"id":"SUSE-SU-2023:4054-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2023-34323: A transaction conflict can crash C Xenstored (XSA-440, bsc#1215744)\n- CVE-2023-34326: Missing IOMMU TLB flushing (XSA-442, bsc#1215746)\n- CVE-2023-34325: Multiple vulnerabilities in libfsimage disk handling (XSA-443, bsc#1215747)\n- CVE-2023-34327: Debug Mask handling (XSA-444, bsc#1215748)\n- CVE-2023-34328: Debug Mask handling (XSA-444, bsc#1215748)\n","status":"published","published":"2023-10-12T07:49:44Z","modified":"2026-02-04T04:40:20.819269Z","updated_at":"2026-11-02T15:53:53.440387Z"},{"id":"SUSE-SU-2023:4055-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2023-34323: A transaction conflict can crash C Xenstored (XSA-440, bsc#1215744)\n- CVE-2023-34326: Missing IOMMU TLB flushing (XSA-442, bsc#1215746)\n- CVE-2023-34325: Multiple vulnerabilities in libfsimage disk handling (XSA-443, bsc#1215747)\n- CVE-2023-34327: Debug Mask handling (XSA-444, bsc#1215748)\n- CVE-2023-34328: Debug Mask handling (XSA-444, bsc#1215748)\n","status":"published","published":"2023-10-12T07:51:07Z","modified":"2025-05-02T04:35:04.149104Z","updated_at":"2026-11-02T15:53:53.440387Z"},{"id":"SUSE-SU-2023:4174-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2023-34323: Fixed a potential crash in C Xenstored due to an\n  incorrect assertion (XSA-440) (bsc#1215744).\n- CVE-2023-34326: Fixed a missing IOMMU TLB flush on x86 AMD systems\n  with IOMMU hardware and PCI passthrough enabled (XSA-442)\n  (bsc#1215746).\n- CVE-2023-34325: Fixed multiple parsing issues in libfsimage\n  (XSA-443) (bsc#1215747).\n- CVE-2023-34327, CVE-2023-34328: Fixed multiple issues with AMD x86\n  debugging functionality for guests (XSA-444) (bsc#1215748).\n","status":"published","published":"2023-10-24T10:36:52Z","modified":"2026-02-04T03:39:09.195879Z","updated_at":"2026-11-02T15:53:53.865042Z"},{"id":"SUSE-SU-2023:4183-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2023-34323: Fixed a potential crash in C Xenstored due to an\n  incorrect assertion (XSA-440) (bsc#1215744).\n- CVE-2023-34326: Fixed a missing IOMMU TLB flush on x86 AMD systems\n  with IOMMU hardware and PCI passthrough enabled (XSA-442)\n  (bsc#1215746).\n- CVE-2023-34325: Fixed multiple parsing issues in libfsimage\n  (XSA-443) (bsc#1215747).\n- CVE-2023-34327, CVE-2023-34328: Fixed multiple issues with AMD x86\n  debugging functionality for guests (XSA-444) (bsc#1215748).\n","status":"published","published":"2023-10-24T14:52:38Z","modified":"2026-02-04T03:54:36.916952Z","updated_at":"2026-11-02T15:53:53.865042Z"},{"id":"SUSE-SU-2023:4184-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2023-34323: Fixed a potential crash in C Xenstored due to an\n  incorrect assertion (XSA-440) (bsc#1215744).\n- CVE-2023-34326: Fixed a missing IOMMU TLB flush on x86 AMD systems\n  with IOMMU hardware and PCI passthrough enabled (XSA-442)\n  (bsc#1215746).\n- CVE-2023-34325: Fixed multiple parsing issues in libfsimage\n  (XSA-443) (bsc#1215747).\n- CVE-2023-34327, CVE-2023-34328: Fixed multiple issues with AMD x86\n  debugging functionality for guests (XSA-444) (bsc#1215748).\n","status":"published","published":"2023-10-24T14:52:50Z","modified":"2026-02-04T03:43:48.089395Z","updated_at":"2026-11-02T15:53:53.865042Z"},{"id":"SUSE-SU-2023:4185-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2023-34323: Fixed a potential crash in C Xenstored due to an\n  incorrect assertion (XSA-440) (bsc#1215744).\n- CVE-2023-34326: Fixed a missing IOMMU TLB flush on x86 AMD systems\n  with IOMMU hardware and PCI passthrough enabled (XSA-442)\n  (bsc#1215746).\n- CVE-2023-34325: Fixed multiple parsing issues in libfsimage\n  (XSA-443) (bsc#1215747).\n- CVE-2023-34327, CVE-2023-34328: Fixed multiple issues with AMD x86\n  debugging functionality for guests (XSA-444) (bsc#1215748).\n","status":"published","published":"2023-10-24T14:53:12Z","modified":"2026-02-04T03:25:29.836892Z","updated_at":"2026-11-02T15:53:53.865042Z"},{"id":"SUSE-SU-2023:4475-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2023-20588: AMD CPU transitional execution leak via division by zero (XSA-439) (bsc#1215474).\n- CVE-2023-34322: top-level shadow reference dropped too early for 64-bit PV guests (XSA-438) (bsc#1215145).\n- CVE-2023-34325: Multiple vulnerabilities in libfsimage disk handling (XSA-443) (bsc#1215747).\n- CVE-2023-34326: x86/AMD: missing IOMMU TLB flushing (XSA-442) (bsc#1215746).\n- CVE-2023-34327,CVE-2023-34328: x86/AMD: Debug Mask handling (XSA-444) (bsc#1215748).\n- CVE-2023-46835: x86/AMD: mismatch in IOMMU quarantine page table levels (XSA-445) (bsc#1216654).\n- CVE-2023-46836: x86: BTC/SRSO fixes not fully effective (XSA-446) (bsc#1216807).\n\n- Upstream bug fixes (bsc#1027519)\n","status":"published","published":"2023-11-17T07:05:29Z","modified":"2026-02-04T02:57:55.595655Z","updated_at":"2026-11-02T15:53:53.865042Z"},{"id":"SUSE-SU-2023:4476-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2023-20588: AMD CPU transitional execution leak via division by zero (XSA-439) (bsc#1215474).\n- CVE-2023-34322: top-level shadow reference dropped too early for 64-bit PV guests (XSA-438) (bsc#1215145).\n- CVE-2023-34325: Multiple vulnerabilities in libfsimage disk handling (XSA-443) (bsc#1215747).\n- CVE-2023-34326: x86/AMD: missing IOMMU TLB flushing (XSA-442) (bsc#1215746).\n- CVE-2023-34327,CVE-2023-34328: x86/AMD: Debug Mask handling (XSA-444) (bsc#1215748).\n- CVE-2023-46835: x86/AMD: mismatch in IOMMU quarantine page table levels (XSA-445) (bsc#1216654).\n- CVE-2023-46836: x86: BTC/SRSO fixes not fully effective (XSA-446) (bsc#1216807). \n\n- Upstream bug fixes (bsc#1027519) \n","status":"published","published":"2023-11-17T07:05:47Z","modified":"2026-02-04T03:22:05.228354Z","updated_at":"2026-11-02T15:53:53.865042Z"}]}}