{"id":"USN-6549-3","summary":"linux-lowlatency, linux-lowlatency-hwe-5.15 vulnerabilities","details":"It was discovered that the USB subsystem in the Linux kernel contained a\nrace condition while handling device descriptors in certain situations,\nleading to a out-of-bounds read vulnerability. A local attacker could\npossibly use this to cause a denial of service (system crash).\n(CVE-2023-37453)\n\nLin Ma discovered that the Netlink Transformation (XFRM) subsystem in the\nLinux kernel did not properly initialize a policy data structure, leading\nto an out-of-bounds vulnerability. A local privileged attacker could use\nthis to cause a denial of service (system crash) or possibly expose\nsensitive information (kernel memory). (CVE-2023-3773)\n\nLucas 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\nSunjoo Park discovered that the netfilter subsystem in the Linux kernel did\nnot properly validate u32 packets content, leading to an out-of-bounds read\nvulnerability. A local attacker could use this to cause a denial of service\n(system crash) or possibly expose sensitive information. (CVE-2023-39192)\n\nLucas Leong discovered that the netfilter subsystem in the Linux kernel did\nnot properly validate SCTP data, leading to an out-of-bounds read\nvulnerability. A local attacker could use this to cause a denial of service\n(system crash) or possibly expose sensitive information. (CVE-2023-39193)\n\nLucas Leong discovered that the Netlink Transformation (XFRM) subsystem in\nthe Linux kernel did not properly handle state filters, leading to an out-\nof-bounds read vulnerability. A privileged local attacker could use this to\ncause a denial of service (system crash) or possibly expose sensitive\ninformation. (CVE-2023-39194)\n\nIt was discovered that a race condition existed in QXL virtual GPU driver\nin the Linux kernel, leading to a use after free vulnerability. A local\nattacker could use this to cause a denial of service (system crash) or\npossibly execute arbitrary code. (CVE-2023-39198)\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\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","modified":"2026-02-10T04:43:27Z","published":"2023-12-13T14:01:01Z","related":["UBUNTU-CVE-2023-37453","UBUNTU-CVE-2023-3773","UBUNTU-CVE-2023-39189","UBUNTU-CVE-2023-39192","UBUNTU-CVE-2023-39193","UBUNTU-CVE-2023-39194","UBUNTU-CVE-2023-39198","UBUNTU-CVE-2023-42754","UBUNTU-CVE-2023-5158","UBUNTU-CVE-2023-5178","UBUNTU-CVE-2023-5717"],"upstream":["CVE-2023-37453","CVE-2023-3773","CVE-2023-39189","CVE-2023-39192","CVE-2023-39193","CVE-2023-39194","CVE-2023-39198","CVE-2023-42754","CVE-2023-5158","CVE-2023-5178","CVE-2023-5717","UBUNTU-CVE-2023-37453","UBUNTU-CVE-2023-3773","UBUNTU-CVE-2023-39189","UBUNTU-CVE-2023-39192","UBUNTU-CVE-2023-39193","UBUNTU-CVE-2023-39194","UBUNTU-CVE-2023-39198","UBUNTU-CVE-2023-42754","UBUNTU-CVE-2023-5158","UBUNTU-CVE-2023-5178","UBUNTU-CVE-2023-5717"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6549-3"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-3773"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-5158"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-5178"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-5717"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-37453"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-39189"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-39192"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-39193"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-39194"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-39198"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-42754"}],"affected":[{"package":{"name":"linux-lowlatency-hwe-5.15","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/linux-lowlatency-hwe-5.15@5.15.0-91.101~20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-91.101~20.04.1"}]}],"versions":["5.15.0-33.34~20.04.1","5.15.0-42.45~20.04.1","5.15.0-43.46~20.04.1","5.15.0-46.49~20.04.1","5.15.0-48.54~20.04.1","5.15.0-50.56~20.04.1","5.15.0-52.58~20.04.1","5.15.0-53.59~20.04.1","5.15.0-56.62~20.04.1","5.15.0-58.64~20.04.1","5.15.0-60.66~20.04.1","5.15.0-67.74~20.04.1","5.15.0-69.76~20.04.1","5.15.0-70.77~20.04.1","5.15.0-71.78~20.04.1","5.15.0-72.79~20.04.1","5.15.0-73.80~20.04.1","5.15.0-75.82~20.04.1","5.15.0-76.83~20.04.1","5.15.0-78.85~20.04.1","5.15.0-79.88~20.04.1","5.15.0-82.91~20.04.1","5.15.0-83.92~20.04.1","5.15.0-84.93~20.04.1","5.15.0-86.95~20.04.1","5.15.0-87.96~20.04.1","5.15.0-88.98~20.04.1","5.15.0-89.99~20.04.1"],"ecosystem_specific":{"availability":"No 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