{"id":"USN-6339-3","summary":"linux-azure, linux-azure-5.15, linux-azure-fde, linux-azure-fde-5.15, linux-raspi vulnerabilities","details":"It was discovered that the NTFS file system implementation in the Linux\nkernel did not properly validate MFT flags in certain situations. An\nattacker could use this to construct a malicious NTFS image that, when\nmounted and operated on, could cause a denial of service (system crash).\n(CVE-2022-48425)\n\nZi Fan Tan discovered that the binder IPC implementation in the Linux\nkernel contained a use-after-free vulnerability. A local attacker could use\nthis to cause a denial of service (system crash) or possibly execute\narbitrary code. (CVE-2023-21255)\n\nIt was discovered that a race condition existed in the f2fs file system in\nthe Linux kernel, leading to a null pointer dereference vulnerability. An\nattacker could use this to construct a malicious f2fs image that, when\nmounted and operated on, could cause a denial of service (system crash).\n(CVE-2023-2898)\n\nIt was discovered that the DVB Core driver in the Linux kernel did not\nproperly handle locking events in certain situations. A local attacker\ncould use this to cause a denial of service (kernel deadlock).\n(CVE-2023-31084)\n\nYang Lan discovered that the GFS2 file system implementation in the Linux\nkernel could attempt to dereference a null pointer in some situations. An\nattacker could use this to construct a malicious GFS2 image that, when\nmounted and operated on, could cause a denial of service (system crash).\n(CVE-2023-3212)\n\nIt was discovered that the KSMBD implementation in the Linux kernel did not\nproperly validate buffer sizes in certain operations, leading to an out-of-\nbounds read vulnerability. A remote attacker could use this to cause a\ndenial of service (system crash) or possibly expose sensitive information.\n(CVE-2023-38426, CVE-2023-38428)\n\nIt was discovered that the KSMBD implementation in the Linux kernel did not\nproperly calculate the size of certain buffers. A remote attacker could use\nthis to cause a denial of service (system crash) or possibly execute\narbitrary code. (CVE-2023-38429)\n","modified":"2026-02-10T04:43:18Z","published":"2023-09-11T18:34:01Z","related":["UBUNTU-CVE-2022-48425","UBUNTU-CVE-2023-21255","UBUNTU-CVE-2023-2898","UBUNTU-CVE-2023-31084","UBUNTU-CVE-2023-3212","UBUNTU-CVE-2023-38426","UBUNTU-CVE-2023-38428","UBUNTU-CVE-2023-38429"],"upstream":["CVE-2022-48425","CVE-2023-21255","CVE-2023-2898","CVE-2023-31084","CVE-2023-3212","CVE-2023-38426","CVE-2023-38428","CVE-2023-38429","UBUNTU-CVE-2022-48425","UBUNTU-CVE-2023-21255","UBUNTU-CVE-2023-2898","UBUNTU-CVE-2023-31084","UBUNTU-CVE-2023-3212","UBUNTU-CVE-2023-38426","UBUNTU-CVE-2023-38428","UBUNTU-CVE-2023-38429"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6339-3"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-48425"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-2898"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-3212"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-21255"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-31084"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-38426"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-38428"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-38429"}],"affected":[{"package":{"name":"linux-azure-5.15","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/linux-azure-5.15@5.15.0-1046.53~20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1046.53~20.04.1"}]}],"versions":["5.15.0-1007.8~20.04.1","5.15.0-1008.9~20.04.1","5.15.0-1013.16~20.04.1","5.15.0-1014.17~20.04.1","5.15.0-1017.20~20.04.1","5.15.0-1019.24~20.04.1","5.15.0-1020.25~20.04.1","5.15.0-1021.26~20.04.1","5.15.0-1022.27~20.04.1","5.15.0-1023.29~20.04.1","5.15.0-1029.36~20.04.1","5.15.0-1030.37~20.04.1","5.15.0-1031.38~20.04.1","5.15.0-1033.40~20.04.1","5.15.0-1034.41~20.04.1","5.15.0-1035.42~20.04.1","5.15.0-1036.43~20.04.1","5.15.0-1037.44~20.04.1","5.15.0-1038.45~20.04.1","5.15.0-1039.46~20.04.1","5.15.0-1040.47~20.04.1","5.15.0-1041.48~20.04.1","5.15.0-1042.49~20.04.1","5.15.0-1043.50~20.04.1","5.15.0-1045.52~20.04.1"],"ecosystem_specific":{"availability":"No 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