Test ID:	1.3.6.1.4.1.25623.1.1.1.2.2023.3446
Category:	Debian Local Security Checks
Title:	Debian: Security Advisory (DLA-3446-1)
Summary:	The remote host is missing an update for the Debian 'linux-5.10' package(s) announced via the DLA-3446-1 advisory.
Description:	Summary: The remote host is missing an update for the Debian 'linux-5.10' package(s) announced via the DLA-3446-1 advisory. Vulnerability Insight: Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. CVE-2023-0386 It was discovered that under certain conditions the overlayfs filesystem implementation did not properly handle copy up operations. A local user permitted to mount overlay mounts in user namespaces can take advantage of this flaw for local privilege escalation. CVE-2023-31436 Gwangun Jung reported a a flaw causing heap out-of-bounds read/write errors in the traffic control subsystem for the Quick Fair Queueing scheduler (QFQ) which may result in information leak, denial of service or privilege escalation. CVE-2023-32233 Patryk Sondej and Piotr Krysiuk discovered a use-after-free flaw in the Netfilter nf_tables implementation when processing batch requests, which may result in local privilege escalation for a user with the CAP_NET_ADMIN capability in any user or network namespace. For Debian 10 buster, these problems have been fixed in version 5.10.179-1~ deb10u1. We recommend that you upgrade your linux-5.10 packages. For the detailed security status of linux-5.10 please refer to its security tracker page at: [link moved to references] Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: [link moved to references] Affected Software/OS: 'linux-5.10' package(s) on Debian 10. 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-2023-0386 Debian Security Information: DSA-5402 (Google Search) https://www.debian.org/security/2023/dsa-5402 http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html Common Vulnerability Exposure (CVE) ID: CVE-2023-31436 http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.13 https://github.com/torvalds/linux/commit/3037933448f60f9acb705997eae62013ecb81e0d https://www.spinics.net/lists/stable-commits/msg294885.html Common Vulnerability Exposure (CVE) ID: CVE-2023-32233 https://bugzilla.redhat.com/show_bug.cgi?id=2196105 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c1592a89942e9678f7d9c8030efa777c0d57edab https://github.com/torvalds/linux/commit/c1592a89942e9678f7d9c8030efa777c0d57edab https://news.ycombinator.com/item?id=35879660 https://www.openwall.com/lists/oss-security/2023/05/08/4 https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html http://www.openwall.com/lists/oss-security/2023/05/15/5
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