{"id":"CVE-2024-31143","aliases":["ALPINE-CVE-2024-31143","DEBIAN-CVE-2024-31143","DSA-5836-1","EUVD-2024-29053","GHSA-cjq8-723f-8fmv","MGASA-2025-0270","SUSE-SU-2024:2531-1","SUSE-SU-2024:2533-1","SUSE-SU-2024:2534-1","SUSE-SU-2024:2535-1","SUSE-SU-2024:2654-1","SUSE-SU-2024:3423-1","UBUNTU-CVE-2024-31143","openSUSE-SU-2024:14204-1"],"status":"published","title":"double unlock in x86 guest IRQ handling","description":"An optional feature of PCI MSI called \"Multiple Message\" allows a\ndevice to use multiple consecutive interrupt vectors.  Unlike for MSI-X,\nthe setting up of these consecutive vectors needs to happen all in one\ngo.  In this handling an error path could be taken in different\nsituations, with or without a particular lock held.  This error path\nwrongly releases the lock even when it is not currently held.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00507,"percentile":0.43768,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-832"],"published":"2024-07-16T12:12:13Z","modified":"2026-11-02T12:01:50Z","fixes":[{"ecosystem":"Alpine:v3.17","package":"xen","fixed_in":["4.16.6-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"xen","fixed_in":["4.17.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"xen","fixed_in":["4.18.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"xen","fixed_in":["4.18.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"xen","fixed_in":["4.19.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"xen","fixed_in":["4.19.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"xen","fixed_in":["4.19.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"xen","fixed_in":["4.19.0-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"xen","fixed_in":["4.17.5+23-ga4e5191dc0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"xen","fixed_in":["4.19.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"xen","fixed_in":["4.19.1-1"],"sources":["osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"xen","fixed_in":["4.18.2_06-2.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.17","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0"},{"fixed":"4.16.6-r1"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0"},{"fixed":"4.17.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0"},{"fixed":"4.18.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0"},{"fixed":"4.18.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0"},{"fixed":"4.19.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0"},{"fixed":"4.19.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0"},{"fixed":"4.19.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0"},{"fixed":"4.19.0-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.17.5+23-ga4e5191dc0-1"}]}],"versions":["4.17.1+2-gb773c48e36-1","4.17.2+55-g0b56bed864-1","4.17.2+76-ge1f9cb16e2-1","4.17.2+76-ge1f9cb16e2-1~deb12u1","4.17.2-1","4.17.3+10-g091466ba55-1","4.17.3+10-g091466ba55-1.1","4.17.3+10-g091466ba55-1.1~exp1","4.17.3+10-g091466ba55-1.1~exp2","4.17.3+10-g091466ba55-1~deb12u1","4.17.3+36-g54dacb5c02-1"]},{"source":"osv","ecosystem":"Debian:13","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.19.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.19.1-1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.17.5+23-ga4e5191dc0-1"}]}],"versions":["4.17.1+2-gb773c48e36-1","4.17.2+55-g0b56bed864-1","4.17.2+76-ge1f9cb16e2-1","4.17.2+76-ge1f9cb16e2-1~deb12u1","4.17.2-1","4.17.3+10-g091466ba55-1","4.17.3+10-g091466ba55-1.1","4.17.3+10-g091466ba55-1.1~exp1","4.17.3+10-g091466ba55-1.1~exp2","4.17.3+10-g091466ba55-1~deb12u1","4.17.3+36-g54dacb5c02-1"],"bundled":12},{"source":"osv","ecosystem":"Mageia:9","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.17.5-1.git20251028.1.mga9"}]}],"bundled":26},{"source":"osv","ecosystem":"SUSE:Linux 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unlock in x86 guest IRQ handling","description":"An optional feature of PCI MSI called \"Multiple Message\" allows a\ndevice to use multiple consecutive interrupt vectors.  Unlike for MSI-X,\nthe setting up of these consecutive vectors needs to happen all in one\ngo.  In this handling an error path could be taken in different\nsituations, with or without a particular lock held.  This error path\nwrongly releases the lock even when it is not currently held.\n","status":"published","published":"2024-07-18T13:31:31.244Z","modified":"2025-04-26T20:03:16.232Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-832"],"updated_at":"2026-11-02T14:34:14.308905Z"}],"euvd":[{"id":"EUVD-2024-29053","description":"An optional feature of PCI MSI called \"Multiple Message\" allows a\ndevice to use multiple consecutive interrupt vectors.  Unlike for MSI-X,\nthe setting up of these consecutive vectors needs to happen all in one\ngo.  In this handling an error path could be taken in different\nsituations, with or without a particular lock held.  This error path\nwrongly releases the lock even when it is not currently held.\n","status":"published","published":"2024-07-18T13:31:31Z","modified":"2025-04-26T20:03:16Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:52:02.538258Z"}],"ghsa":[{"id":"GHSA-cjq8-723f-8fmv","title":"An optional feature of PCI MSI called \"Multiple Message\" allows a\ndevice to use multiple...","description":"An optional feature of PCI MSI called \"Multiple Message\" allows a\ndevice to use multiple consecutive interrupt vectors.  Unlike for MSI-X,\nthe setting up of these consecutive vectors needs to happen all in one\ngo.  In this handling an error path could be taken in different\nsituations, with or without a particular lock held.  This error path\nwrongly releases the lock even when it is not currently held.","status":"published","published":"2024-07-18T15:31:19Z","modified":"2025-04-26T21:31:26Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-832"],"updated_at":"2026-11-02T15:02:02.838203Z"}],"nvd":[{"id":"CVE-2024-31143","description":"An optional feature of PCI MSI called \"Multiple Message\" allows a\ndevice to use multiple consecutive interrupt vectors.  Unlike for MSI-X,\nthe setting up of these consecutive vectors needs to happen all in one\ngo.  In this handling an error path could be taken in different\nsituations, with or without a particular lock held.  This error path\nwrongly releases the lock even when it is not currently held.\n","status":"published","published":"2024-07-18T14:15:04.673Z","modified":"2026-06-17T07:27:51.747Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-832"],"updated_at":"2026-11-02T14:10:13.413515Z"}],"osv":[{"id":"ALPINE-CVE-2024-31143","description":"An optional feature of PCI MSI called \"Multiple Message\" allows a\ndevice to use multiple consecutive interrupt vectors.  Unlike for MSI-X,\nthe setting up of these consecutive vectors needs to happen all in one\ngo.  In this handling an error path could be taken in different\nsituations, with or without a particular lock held.  This error path\nwrongly releases the lock even when it is not currently held.\n","status":"published","published":"2024-07-18T14:15:04.673Z","modified":"2026-11-02T11:17:50.08837987Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:27:49.709457Z"},{"id":"CVE-2024-31143","description":"An optional feature of PCI MSI called \"Multiple Message\" allows a\ndevice to use multiple consecutive interrupt vectors.  Unlike for MSI-X,\nthe setting up of these consecutive vectors needs to happen all in one\ngo.  In this handling an error path could be taken in different\nsituations, with or without a particular lock held.  This error path\nwrongly releases the lock even when it is not currently held.\n","status":"published","published":"2024-07-18T14:15:04.673Z","modified":"2026-04-16T04:40:01.871661405Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:40.06138Z"},{"id":"DEBIAN-CVE-2024-31143","description":"An optional feature of PCI MSI called \"Multiple Message\" allows a device to use multiple consecutive interrupt vectors.  Unlike for MSI-X, the setting up of these consecutive vectors needs to happen all in one go.  In this handling an error path could be taken in different situations, with or without a particular lock held.  This error path wrongly releases the lock even when it is not currently held.","status":"published","published":"2024-07-18T14:15:04.673Z","modified":"2026-11-02T12:01:50.814742701Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:42.530184Z"},{"id":"UBUNTU-CVE-2024-31143","description":"An optional feature of PCI MSI called \"Multiple Message\" allows a device to use multiple consecutive interrupt vectors.  Unlike for MSI-X, the setting up of these consecutive vectors needs to happen all in one go.  In this handling an error path could be taken in different situations, with or without a particular lock held.  This error path wrongly releases the lock even when it is not currently held.","status":"published","published":"2024-07-18T14:15:00Z","modified":"2026-10-17T12:56:44.667863077Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:54:48.333535Z"},{"id":"DSA-5836-1","title":"xen - security update","status":"published","published":"2024-12-26T00:00:00Z","modified":"2026-03-09T02:09:38.185872Z","updated_at":"2026-11-02T15:46:17.892347Z"},{"id":"MGASA-2025-0270","title":"Updated xen packages fix security vulnerabilities","description":"Double unlock in x86 guest IRQ handling. (CVE-2024-31143)\nXapi: Metadata injection attack against backup/restore functionality.\n(CVE-2024-31144)\nError handling in x86 IOMMU identity mapping. (CVE-2024-31145)\nPCI device pass-through with shared resources. (CVE-2024-31146)\nx86: Deadlock in vlapic_error(). (CVE-2024-45817)\nDeadlock in x86 HVM standard VGA handling. (CVE-2024-45818)\nlibxl leaks data to PVH guests via ACPI tables. (CVE-2024-45819)\nBackend can crash Linux netfront. (CVE-2024-53240)\nXen hypercall page unsafe against speculative attacks. (CVE-2024-53241)\nDeadlock potential with VT-d and legacy PCI device pass-through.\n(CVE-2025-1713)\nx86: Indirect Target Selection. (CVE-2024-28956)\nx86: Incorrect stubs exception handling for flags recovery.\n(CVE-2025-27465)\nTSA-SQ (TSA in the Store Queues). (CVE-2024-36350)\nTSA-L1 (TSA in the L1 data cache). (CVE-2024-36357)\nA NULL pointer dereference in the updating of the reference TSC area.\n(CVE-2025-27466)\nA NULL pointer dereference by assuming the SIM page is mapped when a\nsynthetic timer message has to be delivered. (CVE-2025-58142)\nA race in the mapping of the reference TSC page, where a guest can get\nXen to free a page while still present in the guest physical to machine\n(p2m) page tables. (CVE-2025-58143)\nAn assertion is wrong there, where the case actually needs handling.  A\nNULL pointer de-reference could result on a release build.\n(CVE-2025-58144)\nThe P2M lock isn't held until a page reference was actually obtained (or\nthe attempt to do so has failed).  Otherwise the page can not only\nchange type, but even ownership in between, thus allowing domain\nboundaries to be violated. (CVE-2025-58145)\nXAPI UTF-8 string handling. (CVE-2025-58146)\nHypercalls using the HV_VP_SET Sparse format can cause vpmask_set() to\nwrite out of bounds when converting the bitmap to Xen's format.\n(CVE-2025-58147)\nHypercalls using any input format can cause send_ipi() to read d-\u003evcpu[]\nout-of-bounds, and operate on a wild vCPU pointer.(CVE-2025-58148)\nIncorrect removal of permissions on PCI device unplug. (CVE-2025-58149)\n","status":"published","published":"2025-11-09T07:52:10Z","modified":"2026-04-16T04:42:58.080548709Z","updated_at":"2026-11-02T15:49:43.178336Z"},{"id":"openSUSE-SU-2024:14204-1","title":"xen-4.18.2_06-2.1 on GA media","description":"These are all security issues fixed in the xen-4.18.2_06-2.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-07-18T00:00:00Z","modified":"2026-02-04T03:57:25.115973Z","updated_at":"2026-11-02T16:58:36.662953Z"},{"id":"SUSE-SU-2024:2531-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2023-46842: Fixed x86 HVM hypercalls may trigger Xen bug check (XSA-454, bsc#1221984).\n- CVE-2024-31143: Fixed double unlock in x86 guest IRQ handling (XSA-458, bsc#1227355).\n","status":"published","published":"2024-07-16T12:12:13Z","modified":"2026-02-04T04:24:46.330098Z","updated_at":"2026-11-02T15:53:55.136363Z"},{"id":"SUSE-SU-2024:2533-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2024-2201: Mitigation for Native Branch History Injection (XSA-456, bsc#1222453)\n- CVE-2024-31143: Fixed double unlock in x86 guest IRQ handling (XSA-458, bsc#1227355).\n","status":"published","published":"2024-07-16T12:12:35Z","modified":"2025-05-02T04:36:24.745637Z","updated_at":"2026-11-02T15:53:55.136363Z"},{"id":"SUSE-SU-2024:2534-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2024-2201: Mitigation for Native Branch History Injection (XSA-456, bsc#1222453)\n- CVE-2024-31143: Fixed double unlock in x86 guest IRQ handling (XSA-458, bsc#1227355).\n","status":"published","published":"2024-07-16T12:12:43Z","modified":"2026-02-04T03:23:31.131956Z","updated_at":"2026-11-02T15:53:55.136363Z"},{"id":"SUSE-SU-2024:2535-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2023-28746: Register File Data Sampling (XSA-452, bsc#1221332)\n- CVE-2023-46842: HVM hypercalls may trigger Xen bug check (XSA-454, bsc#1221984)\n- CVE-2024-2193: Fixed GhostRace, a speculative race conditions. (XSA-453, bsc#1221334)\n- CVE-2024-2201: Mitigation for Native Branch History Injection (XSA-456, bsc#1222453)\n- CVE-2024-31142: Fixed incorrect logic for BTC/SRSO mitigations (XSA-455, bsc#1222302)\n- CVE-2024-31143: Fixed double unlock in x86 guest IRQ handling (XSA-458, bsc#1227355)\n","status":"published","published":"2024-07-16T12:12:51Z","modified":"2026-02-04T02:21:25.636581Z","updated_at":"2026-11-02T15:53:55.136363Z"},{"id":"SUSE-SU-2024:2654-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2023-46842: Fixed x86 HVM hypercalls may trigger Xen bug check (XSA-454, bsc#1221984).\n- CVE-2024-31143: Fixed double unlock in x86 guest IRQ handling (XSA-458, bsc#1227355).\n","status":"published","published":"2024-07-30T13:33:35Z","modified":"2026-02-04T02:33:16.208589Z","updated_at":"2026-11-02T15:53:55.136363Z"},{"id":"SUSE-SU-2024:3423-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2024-2201: Mitigation for Native Branch History Injection (XSA-456, bsc#1222453)\n- CVE-2024-31143: Fixed double unlock in x86 guest IRQ handling (XSA-458, bsc#1227355)\n- CVE-2024-31145: Fixed error handling in x86 IOMMU identity mapping (XSA-460, bsc#1228574)\n- CVE-2024-31146: Fixed PCI device pass-through with shared resources (XSA-461, bsc#1228575)\n- CVE-2024-45817: Fixed a deadlock in vlapic_error (XSA-462, bsc#1230366)\n","status":"published","published":"2024-09-24T15:25:42Z","modified":"2026-02-04T02:20:21.015234Z","updated_at":"2026-11-02T15:53:55.639015Z"}]}}