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SUSE 2026-2866-1 Kernel Important Security Update for 24 Threats

An update that solves 24 vulnerabilities can now be installed.. # Security update for the Linux Kernel (Live Patch 22 for SUSE Linux Enterprise 15 SP6) Announcement ID: SUSE-SU-2026:2866-1 Release Date: 2026-07-12T23:25:50Z Rating: important References: * bsc#1260524 * bsc#1262759 * bsc#1263094 * bsc#1263118 * bsc#1263177 * bsc#1263670 * bsc#1264094 * bsc#1264252 * bsc#1264253 * bsc#1264567 * bsc#1264849 * bsc#1265117 * bsc#1265127 * bsc#1265197 * bsc#1265945 * bsc#1266015 * bsc#1266265 * bsc#1267206 * bsc#1267698 * bsc#1267723 * bsc#1267893 * bsc#1268662 * bsc#1269023 * bsc#1269495 Cross-References: * CVE-2026-23393 * CVE-2026-31505 * CVE-2026-31533 * CVE-2026-31570 * CVE-2026-31586 * CVE-2026-31685 * CVE-2026-31758 * CVE-2026-43025 * CVE-2026-43027 * CVE-2026-43037 * CVE-2026-43120 * CVE-2026-43190 * CVE-2026-43366 * CVE-2026-43437 * CVE-2026-43494 * CVE-2026-43501 * CVE-2026-45970 * CVE-2026-46120 * CVE-2026-46173 * CVE-2026-46227 * CVE-2026-46243 * CVE-2026-52909 * CVE-2026-52943 * CVE-2026-53362 CVSS scores: * CVE-2026-23393 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2026-23393 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-23393 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-31505 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2026-31505 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-31505 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-31533 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2026-31533 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-31533 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2026-31570 ( SUSE ): 6.9 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:H/SI:N/SA:N * CVE-2026-31570 (SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-31570 ( NVD ): 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2026-31586 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2026-31586 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-31586 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-31685 ( SUSE ): 8.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N * CVE-2026-31685 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H * CVE-2026-31685 ( NVD ): 9.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H * CVE-2026-31758 ( SUSE ): 8.5 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2026-31758 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-31758 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43025 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43025 ( NVD ): 7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H * CVE-2026-43027 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43027 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43037 ( SUSE ): 7.7 CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2026-43037 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43037 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43037 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43120 ( SUSE ): 6.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2026-43120 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H * CVE-2026-43120 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43120 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43190 ( SUSE ): 8.8 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N * CVE-2026-43190 ( SUSE ): 8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H * CVE-2026-43190 ( NVD ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H * CVE-2026-43366 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2026-43366 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43366 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43437 ( SUSE ): 8.5 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2026-43437 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43437 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43494 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2026-43494 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43494 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43494 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43501 ( SUSE ): 7.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N * CVE-2026-43501 ( SUSE ): 7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H * CVE-2026-43501 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43501 ( NVD ): 7.5 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2026-45970 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2026-45970 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-45970 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-46120 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H * CVE-2026-46120 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-46173 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2026-46173 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-46173 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-46227 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2026-46227 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-46227 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-46227 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-46243 ( SUSE ): 8.5 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2026-46243 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-46243 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-46243 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N * CVE-2026-46243 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-52909 ( SUSE ): 7.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N * CVE-2026-52909 ( SUSE ): 7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H * CVE-2026-52909 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-52943 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2026-52943 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-52943 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-52943 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-53362 ( SUSE ): 9.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H * CVE-2026-53362 ( SUSE ): 8.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H Affected Products: * openSUSE Leap 15.6 * SUSE Linux Enterprise Live Patching 15-SP6 * SUSE Linux Enterprise Real Time 15 SP6 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 An update that solves 24 vulnerabilities can now be installed. ## Description: This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.95 fixes various security issues The following security issues were fixed: * CVE-2026-23393: bridge: cfm: Fix race condition in peer_mep deletion (bsc#1260524). * CVE-2026-31505: iavf: fix out-of-bounds writes in iavf_get_ethtool_stats() (bsc#1263094). * CVE-2026-31533: net/tls: fix use-after-free in -EBUSY error path of tls_do_encryption (bsc#1262759). * CVE-2026-31570: can: gw: fix OOB heap access in cgw_csum_crc8_rel() (bsc#1263118). * CVE-2026-31586: mm: blk-cgroup: fix use-after-free in cgwb_release_workfn() (bsc#1263177). * CVE-2026-31685: netfilter: ip6t_eui64: reject invalid MAC header for all packets (bsc#1263670). * CVE-2026-31758: usb: usbtmc: Flush anchored URBs in usbtmc_release (bsc#1264094). * CVE-2026-43025: netfilter: ctnetlink: ignore explicit helper on new expectations (bsc#1264253). * CVE-2026-43027: netfilter: nf_conntrack_helper: pass helper to expect cleanup (bsc#1264252). * CVE-2026-43037: ip6_tunnel: clear skb2-> cb[] in ip4ip6_err() (bsc#1265197). * CVE-2026-43120: RDMA/irdma: Fix double free related to rereg_user_mr (bsc#1264567). * CVE-2026-43190: netfilter: xt_tcpmss: check remaining length before reading optlen (bsc#1264849). * CVE-2026-43366: io_uring/kbuf: check if target buffer list is still legacy on recycle (bsc#1265117). * CVE-2026-43437: ALSA: pcm: fix use-after-free on linked stream runtime in snd_pcm_drain() (bsc#1265127). * CVE-2026-43494: RDS zerocopy attack aka PinTheft (bsc#1265945). * CVE-2026-43501: ipv6: rpl: reserve mac_len headroom when recompressed SRH grows (bsc#1266015). * CVE-2026-45970: bonding: alb: fix UAF in rlb_arp_recv during bond up/down (bsc#1267206). * CVE-2026-46120: ip6_gre: Use cached t-> net in ip6erspan_changelink() (bsc#1267893). * CVE-2026-46173: exit: prevent preemption of oopsing TASK_DEAD task (bsc#1267723). * CVE-2026-46227: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL (bsc#1267698). * CVE-2026-46243: smb: client: reject userspace cifs.spnego descriptions (CIFSwitch) (bsc#1266265). * CVE-2026-52909: ip6_vti: set netns_immutable on the fallbackdevice (bsc#1268662). * CVE-2026-52943: net: skbuff: fix missing zerocopy reference in pskb_carve helpers (bsc#1269023). * CVE-2026-53362: ipv6: account for fraggap on the paged allocation path (bsc#1269495). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Enterprise Live Patching 15-SP6 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2026-2866=1 * openSUSE Leap 15.6 zypper in -t patch SUSE-2026-2866=1 ## Package List: * openSUSE Leap 15.6 (ppc64le s390x x86_64) * kernel-livepatch-6_4_0-150600_23_95-default-debuginfo-6-150600.2.2 * kernel-livepatch-SLE15-SP6_Update_22-debugsource-6-150600.2.2 * kernel-livepatch-6_4_0-150600_23_95-default-6-150600.2.2 * SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64) * kernel-livepatch-6_4_0-150600_23_95-default-debuginfo-6-150600.2.2 * kernel-livepatch-SLE15-SP6_Update_22-debugsource-6-150600.2.2 * kernel-livepatch-6_4_0-150600_23_95-default-6-150600.2.2 ## References: * https://www.suse.com/security/cve/CVE-2026-23393.html * https://www.suse.com/security/cve/CVE-2026-31505.html * https://www.suse.com/security/cve/CVE-2026-31533.html * https://www.suse.com/security/cve/CVE-2026-31570.html * https://www.suse.com/security/cve/CVE-2026-31586.html * https://www.suse.com/security/cve/CVE-2026-31685.html * https://www.suse.com/security/cve/CVE-2026-31758.html * https://www.suse.com/security/cve/CVE-2026-43025.html * https://www.suse.com/security/cve/CVE-2026-43027.html * https://www.suse.com/security/cve/CVE-2026-43037.html * https://www.suse.com/security/cve/CVE-2026-43120.html * https://www.suse.com/security/cve/CVE-2026-43190.html * https://www.suse.com/security/cve/CVE-2026-43366.html * https://www.suse.com/security/cve/CVE-2026-43437.html *https://www.suse.com/security/cve/CVE-2026-43494.html * https://www.suse.com/security/cve/CVE-2026-43501.html * https://www.suse.com/security/cve/CVE-2026-45970.html * https://www.suse.com/security/cve/CVE-2026-46120.html * https://www.suse.com/security/cve/CVE-2026-46173.html * https://www.suse.com/security/cve/CVE-2026-46227.html * https://www.suse.com/security/cve/CVE-2026-46243.html * https://www.suse.com/security/cve/CVE-2026-52909.html * https://www.suse.com/security/cve/CVE-2026-52943.html * https://www.suse.com/security/cve/CVE-2026-53362.html * https://bugzilla.suse.com/show_bug.cgi?id=1260524 * https://bugzilla.suse.com/show_bug.cgi?id=1262759 * https://bugzilla.suse.com/show_bug.cgi?id=1263094 * https://bugzilla.suse.com/show_bug.cgi?id=1263118 * https://bugzilla.suse.com/show_bug.cgi?id=1263177 * https://bugzilla.suse.com/show_bug.cgi?id=1263670 * https://bugzilla.suse.com/show_bug.cgi?id=1264094 * https://bugzilla.suse.com/show_bug.cgi?id=1264252 * https://bugzilla.suse.com/show_bug.cgi?id=1264253 * https://bugzilla.suse.com/show_bug.cgi?id=1264567 * https://bugzilla.suse.com/show_bug.cgi?id=1264849 * https://bugzilla.suse.com/show_bug.cgi?id=1265117 * https://bugzilla.suse.com/show_bug.cgi?id=1265127 * https://bugzilla.suse.com/show_bug.cgi?id=1265197 * https://bugzilla.suse.com/show_bug.cgi?id=1265945 * https://bugzilla.suse.com/show_bug.cgi?id=1266015 * https://bugzilla.suse.com/show_bug.cgi?id=1266265 * https://bugzilla.suse.com/show_bug.cgi?id=1267206 * https://bugzilla.suse.com/show_bug.cgi?id=1267698 * https://bugzilla.suse.com/show_bug.cgi?id=1267723 * https://bugzilla.suse.com/show_bug.cgi?id=1267893 * https://bugzilla.suse.com/show_bug.cgi?id=1268662 * https://bugzilla.suse.com/show_bug.cgi?id=1269023 * https://bugzilla.suse.com/show_bug.cgi?id=1269495 . SUSE updates kernel with fixes for 24 vulnerabilities. Important patch to enhance security on SUSE Linux Enterprise 15 SP6.. SUSE kernel patch important vulnerabilitiessecurity. . LinuxSecurity.com Team

Jul 13, 2026 SuSE