Security update for the Linux Kernel (Live Patch 16 for SLE 15 SP4) SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2024:1288-1 Final 1 1 2024-04-15T14:33:39Z current 2024-04-15T14:33:39Z 2024-04-15T14:33:39Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for the Linux Kernel (Live Patch 16 for SLE 15 SP4) This update for the Linux Kernel 5.14.21-150400_24_81 fixes several issues. The following security issues were fixed: - CVE-2024-0565: Fixed an out-of-bounds memory read flaw in receive_encrypted_standard in fs/smb/client/smb2ops.c (bsc#1219078). - CVE-2023-42753: Fixed an array indexing vulnerability in the netfilter subsystem. This issue may have allowed a local user to crash the system or potentially escalate their privileges (bsc#1218613). - CVE-2024-1085: Fixed nf_tables use-after-free vulnerability in the nft_setelem_catchall_deactivate() function (bsc#1219432). - CVE-2023-52340: Fixed ICMPv6 “Packet Too Big” packets force a DoS of the Linux kernel by forcing 100% CPU (bsc#1219296). The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). SUSE-2024-1288,SUSE-2024-1289,SUSE-2024-1290,SUSE-SLE-Module-Live-Patching-15-SP4-2024-1291 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2024/suse-su-20241288-1/ Link for SUSE-SU-2024:1288-1 https://lists.suse.com/pipermail/sle-security-updates/2024-April/018352.html E-Mail link for SUSE-SU-2024:1288-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1218613 SUSE Bug 1218613 https://bugzilla.suse.com/1219078 SUSE Bug 1219078 https://bugzilla.suse.com/1219296 SUSE Bug 1219296 https://bugzilla.suse.com/1219432 SUSE Bug 1219432 https://www.suse.com/security/cve/CVE-2023-42753/ SUSE CVE CVE-2023-42753 page https://www.suse.com/security/cve/CVE-2023-52340/ SUSE CVE CVE-2023-52340 page https://www.suse.com/security/cve/CVE-2024-0565/ SUSE CVE CVE-2024-0565 page https://www.suse.com/security/cve/CVE-2024-1085/ SUSE CVE CVE-2024-1085 page SUSE Linux Enterprise Live Patching 15 SP4 kernel-livepatch-5_14_21-150400_24_66-default-10-150400.2.1 kernel-livepatch-5_14_21-150400_24_69-default-9-150400.2.1 kernel-livepatch-5_14_21-150400_24_74-default-9-150400.2.1 kernel-livepatch-5_14_21-150400_24_81-default-8-150400.2.1 kernel-livepatch-5_14_21-150400_24_81-default-8-150400.2.1 as a component of SUSE Linux Enterprise Live Patching 15 SP4 An array indexing vulnerability was found in the netfilter subsystem of the Linux kernel. A missing macro could lead to a miscalculation of the `h->nets` array offset, providing attackers with the primitive to arbitrarily increment/decrement a memory buffer out-of-bound. This issue may allow a local user to crash the system or potentially escalate their privileges on the system. CVE-2023-42753 SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_81-default-8-150400.2.1 moderate 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2024/suse-su-20241288-1/ https://www.suse.com/security/cve/CVE-2023-42753.html CVE-2023-42753 https://bugzilla.suse.com/1215150 SUSE Bug 1215150 https://bugzilla.suse.com/1218613 SUSE Bug 1218613 The IPv6 implementation in the Linux kernel before 6.3 has a net/ipv6/route.c max_size threshold that can be consumed easily, e.g., leading to a denial of service (network is unreachable errors) when IPv6 packets are sent in a loop via a raw socket. CVE-2023-52340 SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_81-default-8-150400.2.1 important 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2024/suse-su-20241288-1/ https://www.suse.com/security/cve/CVE-2023-52340.html CVE-2023-52340 https://bugzilla.suse.com/1219295 SUSE Bug 1219295 https://bugzilla.suse.com/1219296 SUSE Bug 1219296 https://bugzilla.suse.com/1224298 SUSE Bug 1224298 https://bugzilla.suse.com/1224878 SUSE Bug 1224878 An out-of-bounds memory read flaw was found in receive_encrypted_standard in fs/smb/client/smb2ops.c in the SMB Client sub-component in the Linux Kernel. This issue occurs due to integer underflow on the memcpy length, leading to a denial of service. CVE-2024-0565 SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_81-default-8-150400.2.1 important 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2024/suse-su-20241288-1/ https://www.suse.com/security/cve/CVE-2024-0565.html CVE-2024-0565 https://bugzilla.suse.com/1218832 SUSE Bug 1218832 https://bugzilla.suse.com/1219078 SUSE Bug 1219078 A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The nft_setelem_catchall_deactivate() function checks whether the catch-all set element is active in the current generation instead of the next generation before freeing it, but only flags it inactive in the next generation, making it possible to free the element multiple times, leading to a double free vulnerability. We recommend upgrading past commit b1db244ffd041a49ecc9618e8feb6b5c1afcdaa7. CVE-2024-1085 SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_81-default-8-150400.2.1 important 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2024/suse-su-20241288-1/ https://www.suse.com/security/cve/CVE-2024-1085.html CVE-2024-1085 https://bugzilla.suse.com/1219429 SUSE Bug 1219429 https://bugzilla.suse.com/1219432 SUSE Bug 1219432