Security update for the Linux Kernel (Live Patch 49 for SLE 12 SP5) SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2024:3816-1 Final 1 1 2024-10-30T17:33:57Z current 2024-10-30T17:33:57Z 2024-10-30T17:33:57Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for the Linux Kernel (Live Patch 49 for SLE 12 SP5) This update for the Linux Kernel 4.12.14-122_179 fixes several issues. The following security issues were fixed: - CVE-2024-35863: Fixed potential UAF in is_valid_oplock_break() (bsc#1225011). - CVE-2023-52752: smb: client: fix use-after-free bug in cifs_debug_data_proc_show() (bsc#1225819). - CVE-2024-35862: Fixed potential UAF in smb2_is_network_name_deleted() (bsc#1225311). - CVE-2024-35867: Fixed potential UAF in cifs_stats_proc_show() (bsc#1225012). - CVE-2024-35864: Fixed potential UAF in smb2_is_valid_lease_break() (bsc#1225309). The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). SUSE-2024-3816,SUSE-SLE-Live-Patching-12-SP5-2024-3816 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-20243816-1/ Link for SUSE-SU-2024:3816-1 https://lists.suse.com/pipermail/sle-security-updates/2024-October/019731.html E-Mail link for SUSE-SU-2024:3816-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1225011 SUSE Bug 1225011 https://bugzilla.suse.com/1225012 SUSE Bug 1225012 https://bugzilla.suse.com/1225309 SUSE Bug 1225309 https://bugzilla.suse.com/1225311 SUSE Bug 1225311 https://bugzilla.suse.com/1225819 SUSE Bug 1225819 https://www.suse.com/security/cve/CVE-2023-52752/ SUSE CVE CVE-2023-52752 page https://www.suse.com/security/cve/CVE-2024-35862/ SUSE CVE CVE-2024-35862 page https://www.suse.com/security/cve/CVE-2024-35863/ SUSE CVE CVE-2024-35863 page https://www.suse.com/security/cve/CVE-2024-35864/ SUSE CVE CVE-2024-35864 page https://www.suse.com/security/cve/CVE-2024-35867/ SUSE CVE CVE-2024-35867 page SUSE Linux Enterprise Live Patching 12 SP5 kgraft-patch-4_12_14-122_179-default-14-2.1 kgraft-patch-4_12_14-122_179-default-14-2.1 as a component of SUSE Linux Enterprise Live Patching 12 SP5 In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free bug in cifs_debug_data_proc_show() Skip SMB sessions that are being teared down (e.g. @ses->ses_status == SES_EXITING) in cifs_debug_data_proc_show() to avoid use-after-free in @ses. This fixes the following GPF when reading from /proc/fs/cifs/DebugData while mounting and umounting [ 816.251274] general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b6d81: 0000 [#1] PREEMPT SMP NOPTI ... [ 816.260138] Call Trace: [ 816.260329] <TASK> [ 816.260499] ? die_addr+0x36/0x90 [ 816.260762] ? exc_general_protection+0x1b3/0x410 [ 816.261126] ? asm_exc_general_protection+0x26/0x30 [ 816.261502] ? cifs_debug_tcon+0xbd/0x240 [cifs] [ 816.261878] ? cifs_debug_tcon+0xab/0x240 [cifs] [ 816.262249] cifs_debug_data_proc_show+0x516/0xdb0 [cifs] [ 816.262689] ? seq_read_iter+0x379/0x470 [ 816.262995] seq_read_iter+0x118/0x470 [ 816.263291] proc_reg_read_iter+0x53/0x90 [ 816.263596] ? srso_alias_return_thunk+0x5/0x7f [ 816.263945] vfs_read+0x201/0x350 [ 816.264211] ksys_read+0x75/0x100 [ 816.264472] do_syscall_64+0x3f/0x90 [ 816.264750] entry_SYSCALL_64_after_hwframe+0x6e/0xd8 [ 816.265135] RIP: 0033:0x7fd5e669d381 CVE-2023-52752 SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_179-default-14-2.1 important 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-20243816-1/ https://www.suse.com/security/cve/CVE-2023-52752.html CVE-2023-52752 https://bugzilla.suse.com/1225487 SUSE Bug 1225487 https://bugzilla.suse.com/1225819 SUSE Bug 1225819 In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in smb2_is_network_name_deleted() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF. CVE-2024-35862 SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_179-default-14-2.1 important 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-20243816-1/ https://www.suse.com/security/cve/CVE-2024-35862.html CVE-2024-35862 https://bugzilla.suse.com/1224764 SUSE Bug 1224764 https://bugzilla.suse.com/1225311 SUSE Bug 1225311 In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in is_valid_oplock_break() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF. CVE-2024-35863 SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_179-default-14-2.1 important 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-20243816-1/ https://www.suse.com/security/cve/CVE-2024-35863.html CVE-2024-35863 https://bugzilla.suse.com/1224763 SUSE Bug 1224763 https://bugzilla.suse.com/1225011 SUSE Bug 1225011 In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in smb2_is_valid_lease_break() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF. CVE-2024-35864 SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_179-default-14-2.1 important 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-20243816-1/ https://www.suse.com/security/cve/CVE-2024-35864.html CVE-2024-35864 https://bugzilla.suse.com/1224765 SUSE Bug 1224765 https://bugzilla.suse.com/1225309 SUSE Bug 1225309 In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in cifs_stats_proc_show() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF. CVE-2024-35867 SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_179-default-14-2.1 important 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-20243816-1/ https://www.suse.com/security/cve/CVE-2024-35867.html CVE-2024-35867 https://bugzilla.suse.com/1224664 SUSE Bug 1224664 https://bugzilla.suse.com/1225012 SUSE Bug 1225012