{"id":"USN-6572-1","aliases":[],"status":"published","title":"linux-azure vulnerabilities","description":"Yu Hao discovered that the UBI driver in the Linux kernel did not properly\ncheck for MTD with zero erasesize during device attachment. A local\nprivileged attacker could use this to cause a denial of service (system\ncrash). (CVE-2023-31085)\n\nBien Pham discovered that the netfiler subsystem in the Linux kernel\ncontained a race condition, leading to a use-after-free vulnerability. A\nlocal user could use this to cause a denial of service (system crash) or\npossibly execute arbitrary code. (CVE-2023-4244)\n\nMaxim Levitsky discovered that the KVM nested virtualization (SVM)\nimplementation for AMD processors in the Linux kernel did not properly\nhandle x2AVIC MSRs. An attacker in a guest VM could use this to cause a\ndenial of service (host kernel crash). (CVE-2023-5090)\n\nIt was discovered that the SMB network file sharing protocol implementation\nin the Linux kernel did not properly handle certain error conditions,\nleading to a use-after-free vulnerability. A local attacker could use this\nto cause a denial of service (system crash) or possibly execute arbitrary\ncode. (CVE-2023-5345)\n\nMurray McAllister discovered that the VMware Virtual GPU DRM driver in the\nLinux kernel did not properly handle memory objects when storing surfaces,\nleading to a use-after-free vulnerability. A local attacker in a guest VM\ncould use this to cause a denial of service (system crash) or possibly\nexecute arbitrary code. (CVE-2023-5633)","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2024-01-09T18:04:06.463651Z","modified":"2026-02-04T03:28:32Z","fixes":[{"ecosystem":"Ubuntu:23.10","package":"linux-azure","fixed_in":["6.5.0-1009.9"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Ubuntu:23.10","package":"linux-azure","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.5.0-1009.9"}]}],"versions":["6.2.0-1003.3","6.2.0-1004.4","6.5.0-1004.4","6.5.0-1006.6","6.5.0-1007.7","6.5.0-1008.8"]}],"references":[{"url":"https://ubuntu.com/security/notices/USN-6572-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-4244","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-5090","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-5345","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-5633","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-31085","tags":["report"]}],"sources":{"osv":[{"id":"USN-6572-1","title":"linux-azure vulnerabilities","description":"Yu Hao discovered that the UBI driver in the Linux kernel did not properly\ncheck for MTD with zero erasesize during device attachment. A local\nprivileged attacker could use this to cause a denial of service (system\ncrash). (CVE-2023-31085)\n\nBien Pham discovered that the netfiler subsystem in the Linux kernel\ncontained a race condition, leading to a use-after-free vulnerability. A\nlocal user could use this to cause a denial of service (system crash) or\npossibly execute arbitrary code. (CVE-2023-4244)\n\nMaxim Levitsky discovered that the KVM nested virtualization (SVM)\nimplementation for AMD processors in the Linux kernel did not properly\nhandle x2AVIC MSRs. An attacker in a guest VM could use this to cause a\ndenial of service (host kernel crash). (CVE-2023-5090)\n\nIt was discovered that the SMB network file sharing protocol implementation\nin the Linux kernel did not properly handle certain error conditions,\nleading to a use-after-free vulnerability. A local attacker could use this\nto cause a denial of service (system crash) or possibly execute arbitrary\ncode. (CVE-2023-5345)\n\nMurray McAllister discovered that the VMware Virtual GPU DRM driver in the\nLinux kernel did not properly handle memory objects when storing surfaces,\nleading to a use-after-free vulnerability. A local attacker in a guest VM\ncould use this to cause a denial of service (system crash) or possibly\nexecute arbitrary code. (CVE-2023-5633)\n\n","status":"published","published":"2024-01-09T18:04:06.463651Z","modified":"2026-02-04T03:28:32.169837Z","updated_at":"2026-11-02T16:58:17.305935Z"}]}}