{"id":"USN-6573-1","aliases":[],"status":"published","title":"linux-azure vulnerabilities","description":"Lucas Leong discovered that the netfilter subsystem in the Linux kernel did\nnot properly validate some attributes passed from userspace. A local\nattacker could use this to cause a denial of service (system crash) or\npossibly expose sensitive information (kernel memory). (CVE-2023-39189)\n\nKyle Zeng discovered that the IPv4 implementation in the Linux kernel did\nnot properly handle socket buffers (skb) when performing IP routing in\ncertain circumstances, leading to a null pointer dereference vulnerability.\nA privileged attacker could use this to cause a denial of service (system\ncrash). (CVE-2023-42754)\n\nYikebaer Aizezi discovered that the ext4 file system implementation in the\nLinux kernel contained a use-after-free vulnerability when handling inode\nextent metadata. An attacker could use this to construct a malicious ext4\nfile system image that, when mounted, could cause a denial of service\n(system crash). (CVE-2023-45898)\n\nJason Wang discovered that the virtio ring implementation in the Linux\nkernel did not properly handle iov buffers in some situations. A local\nattacker in a guest VM could use this to cause a denial of service (host\nsystem crash). (CVE-2023-5158)\n\nAlon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel\ndid not properly handle queue initialization failures in certain\nsituations, leading to a use-after-free vulnerability. A remote attacker\ncould use this to cause a denial of service (system crash) or possibly\nexecute arbitrary code. (CVE-2023-5178)\n\nBudimir Markovic discovered that the perf subsystem in the Linux kernel did\nnot properly handle event groups, leading to an out-of-bounds write\nvulnerability. A local attacker could use this to cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2023-5717)","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2024-01-09T18:30:25.533244Z","modified":"2026-02-04T04:09:25Z","fixes":[{"ecosystem":"Ubuntu:23.10","package":"linux-azure","fixed_in":["6.5.0-1010.10"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Ubuntu:23.10","package":"linux-azure","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.5.0-1010.10"}]}],"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","6.5.0-1009.9"]}],"references":[{"url":"https://ubuntu.com/security/notices/USN-6573-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-5158","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-5178","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-5717","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-39189","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-42754","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-45898","tags":["report"]}],"sources":{"osv":[{"id":"USN-6573-1","title":"linux-azure vulnerabilities","description":"Lucas Leong discovered that the netfilter subsystem in the Linux kernel did\nnot properly validate some attributes passed from userspace. A local\nattacker could use this to cause a denial of service (system crash) or\npossibly expose sensitive information (kernel memory). (CVE-2023-39189)\n\nKyle Zeng discovered that the IPv4 implementation in the Linux kernel did\nnot properly handle socket buffers (skb) when performing IP routing in\ncertain circumstances, leading to a null pointer dereference vulnerability.\nA privileged attacker could use this to cause a denial of service (system\ncrash). (CVE-2023-42754)\n\nYikebaer Aizezi discovered that the ext4 file system implementation in the\nLinux kernel contained a use-after-free vulnerability when handling inode\nextent metadata. An attacker could use this to construct a malicious ext4\nfile system image that, when mounted, could cause a denial of service\n(system crash). (CVE-2023-45898)\n\nJason Wang discovered that the virtio ring implementation in the Linux\nkernel did not properly handle iov buffers in some situations. A local\nattacker in a guest VM could use this to cause a denial of service (host\nsystem crash). (CVE-2023-5158)\n\nAlon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel\ndid not properly handle queue initialization failures in certain\nsituations, leading to a use-after-free vulnerability. A remote attacker\ncould use this to cause a denial of service (system crash) or possibly\nexecute arbitrary code. (CVE-2023-5178)\n\nBudimir Markovic discovered that the perf subsystem in the Linux kernel did\nnot properly handle event groups, leading to an out-of-bounds write\nvulnerability. A local attacker could use this to cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2023-5717)\n\n","status":"published","published":"2024-01-09T18:30:25.533244Z","modified":"2026-02-04T04:09:25.220535Z","updated_at":"2026-11-02T16:58:17.305935Z"}]}}