An update for kernel is now available for openEuler-22.03-LTS-SP1 Security Advisory openeuler-security@openeuler.org openEuler security committee openEuler-SA-2023-1539 Final 1.0 1.0 2023-08-26 Initial 2023-08-26 2023-08-26 openEuler SA Tool V1.0 2023-08-26 kernel security update An update for kernel is now available for openEuler-22.03-LTS-SP1. The Linux Kernel, the operating system core itself. Security Fix(es): An out-of-bounds read vulnerability was found in the SR-IPv6 implementation in the Linux kernel. The flaw exists within the processing of seg6 attributes. The issue results from the improper validation of user-supplied data, which can result in a read past the end of an allocated buffer. This flaw allows a privileged local user to disclose sensitive information on affected installations of the Linux kernel.(CVE-2023-2860) A use-after-free flaw was found in net/sched/cls_fw.c in classifiers (cls_fw, cls_u32, and cls_route) in the Linux Kernel. This flaw allows a local attacker to perform a local privilege escalation due to incorrect handling of the existing filter, leading to a kernel information leak issue.(CVE-2023-4128) An update for kernel is now available for openEuler-22.03-LTS-SP1. openEuler Security has rated this update as having a security impact of high. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section. High kernel https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1539 https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2023-2860 https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2023-4128 https://nvd.nist.gov/vuln/detail/CVE-2023-2860 https://nvd.nist.gov/vuln/detail/CVE-2023-4128 openEuler-22.03-LTS-SP1 kernel-debuginfo-5.10.0-136.46.0.124.oe2203sp1.aarch64.rpm kernel-tools-devel-5.10.0-136.46.0.124.oe2203sp1.aarch64.rpm python3-perf-5.10.0-136.46.0.124.oe2203sp1.aarch64.rpm kernel-5.10.0-136.46.0.124.oe2203sp1.aarch64.rpm perf-debuginfo-5.10.0-136.46.0.124.oe2203sp1.aarch64.rpm perf-5.10.0-136.46.0.124.oe2203sp1.aarch64.rpm kernel-tools-debuginfo-5.10.0-136.46.0.124.oe2203sp1.aarch64.rpm kernel-debugsource-5.10.0-136.46.0.124.oe2203sp1.aarch64.rpm kernel-source-5.10.0-136.46.0.124.oe2203sp1.aarch64.rpm kernel-headers-5.10.0-136.46.0.124.oe2203sp1.aarch64.rpm kernel-tools-5.10.0-136.46.0.124.oe2203sp1.aarch64.rpm kernel-devel-5.10.0-136.46.0.124.oe2203sp1.aarch64.rpm bpftool-5.10.0-136.46.0.124.oe2203sp1.aarch64.rpm python3-perf-debuginfo-5.10.0-136.46.0.124.oe2203sp1.aarch64.rpm bpftool-debuginfo-5.10.0-136.46.0.124.oe2203sp1.aarch64.rpm kernel-5.10.0-136.46.0.124.oe2203sp1.src.rpm kernel-5.10.0-136.46.0.124.oe2203sp1.x86_64.rpm kernel-tools-devel-5.10.0-136.46.0.124.oe2203sp1.x86_64.rpm python3-perf-debuginfo-5.10.0-136.46.0.124.oe2203sp1.x86_64.rpm perf-debuginfo-5.10.0-136.46.0.124.oe2203sp1.x86_64.rpm kernel-tools-5.10.0-136.46.0.124.oe2203sp1.x86_64.rpm kernel-tools-debuginfo-5.10.0-136.46.0.124.oe2203sp1.x86_64.rpm kernel-debugsource-5.10.0-136.46.0.124.oe2203sp1.x86_64.rpm python3-perf-5.10.0-136.46.0.124.oe2203sp1.x86_64.rpm kernel-headers-5.10.0-136.46.0.124.oe2203sp1.x86_64.rpm bpftool-debuginfo-5.10.0-136.46.0.124.oe2203sp1.x86_64.rpm kernel-debuginfo-5.10.0-136.46.0.124.oe2203sp1.x86_64.rpm kernel-source-5.10.0-136.46.0.124.oe2203sp1.x86_64.rpm bpftool-5.10.0-136.46.0.124.oe2203sp1.x86_64.rpm kernel-devel-5.10.0-136.46.0.124.oe2203sp1.x86_64.rpm perf-5.10.0-136.46.0.124.oe2203sp1.x86_64.rpm An out-of-bounds read vulnerability was found in the SR-IPv6 implementation in the Linux kernel. Quoting ZDI security advisory [1]: This vulnerability allows local attackers to disclose sensitive information on affected installations of the Linux Kernel. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability.The specific flaw exists within the processing of seg6 attributes. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in the context of the kernel. [1] https://www.zerodayinitiative.com/advisories/ZDI-CAN-18511/ 2023-08-26 CVE-2023-2860 openEuler-22.03-LTS-SP1 Medium 4.4 AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N kernel security update 2023-08-26 https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1539 A use-after-free flaw was found in net/sched/cls_fw.c in classifiers (cls_fw, cls_u32, and cls_route) in the Linux Kernel. This flaw allows a local attacker to perform a local privilege escalation due to incorrect handling of the existing filter, leading to a kernel information leak issue. 2023-08-26 CVE-2023-4128 openEuler-22.03-LTS-SP1 High 7.8 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H kernel security update 2023-08-26 https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1539