Test ID:	1.3.6.1.4.1.25623.1.1.12.2023.6194.1
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-6194-1)
Summary:	The remote host is missing an update for the 'linux-oem-6.1' package(s) announced via the USN-6194-1 advisory.
Description:	Summary: The remote host is missing an update for the 'linux-oem-6.1' package(s) announced via the USN-6194-1 advisory. Vulnerability Insight: Hangyu Hua discovered that the Flower classifier implementation in the Linux kernel contained an out-of-bounds write vulnerability. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-35788, LP: #2023577) Xingyuan Mo and Gengjia Chen discovered that the io_uring subsystem in the Linux kernel did not properly handle locking when IOPOLL mode is being used. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-2430) Wei Chen discovered that the InfiniBand RDMA communication manager implementation in the Linux kernel contained an out-of-bounds read vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-2176) It was discovered that for some Intel processors the INVLPG instruction implementation did not properly flush global TLB entries when PCIDs are enabled. An attacker could use this to expose sensitive information (kernel memory) or possibly cause undesired behaviors. (LP: #2023220) Affected Software/OS: 'linux-oem-6.1' package(s) on Ubuntu 22.04. Solution: Please install the updated package(s). CVSS Score: 6.8 CVSS Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2023-2176 https://www.spinics.net/lists/linux-rdma/msg114749.html Common Vulnerability Exposure (CVE) ID: CVE-2023-2430 Debian Security Information: DSA-5492 (Google Search) https://www.debian.org/security/2023/dsa-5492 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e12d7a46f65ae4b7d58a5e0c1cbfa825cf8 Common Vulnerability Exposure (CVE) ID: CVE-2023-35788 Debian Security Information: DSA-5448 (Google Search) https://www.debian.org/security/2023/dsa-5448 Debian Security Information: DSA-5480 (Google Search) https://www.debian.org/security/2023/dsa-5480 http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.7 https://git.kernel.org/linus/4d56304e5827c8cc8cc18c75343d283af7c4825c https://www.openwall.com/lists/oss-security/2023/06/07/1 https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html http://www.openwall.com/lists/oss-security/2023/06/17/1
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