Security update for the Linux Kernel (Live Patch 45 for SLE 15 SP2) SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2024:3848-1 Final 1 1 2024-10-31T10:33:38Z current 2024-10-31T10:33:38Z 2024-10-31T10:33:38Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for the Linux Kernel (Live Patch 45 for SLE 15 SP2) This update for the Linux Kernel 5.3.18-150200_24_178 fixes several issues. The following security issues were fixed: - CVE-2021-47600: dm btree remove: fix use after free in rebalance_children() (bsc#1227472). - CVE-2021-47598: sch_cake: do not call cake_destroy() from cake_init() (bsc#1227471). - 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-2024-35864: 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-2024-3848,SUSE-SLE-Module-Live-Patching-15-SP2-2024-3848 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-20243848-1/ Link for SUSE-SU-2024:3848-1 https://lists.suse.com/pipermail/sle-security-updates/2024-October/019743.html E-Mail link for SUSE-SU-2024:3848-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings 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://bugzilla.suse.com/1227471 SUSE Bug 1227471 https://bugzilla.suse.com/1227472 SUSE Bug 1227472 https://www.suse.com/security/cve/CVE-2021-47598/ SUSE CVE CVE-2021-47598 page https://www.suse.com/security/cve/CVE-2021-47600/ SUSE CVE CVE-2021-47600 page 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-2024-35864/ SUSE CVE CVE-2024-35864 page SUSE Linux Enterprise Live Patching 15 SP2 kernel-livepatch-5_3_18-150200_24_178-default-11-150200.2.1 kernel-livepatch-5_3_18-150200_24_178-preempt-11-150200.2.1 kernel-livepatch-5_3_18-150200_24_178-default-11-150200.2.1 as a component of SUSE Linux Enterprise Live Patching 15 SP2 In the Linux kernel, the following vulnerability has been resolved: sch_cake: do not call cake_destroy() from cake_init() qdiscs are not supposed to call their own destroy() method from init(), because core stack already does that. syzbot was able to trigger use after free: DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 0 PID: 21902 at kernel/locking/mutex.c:586 __mutex_lock_common kernel/locking/mutex.c:586 [inline] WARNING: CPU: 0 PID: 21902 at kernel/locking/mutex.c:586 __mutex_lock+0x9ec/0x12f0 kernel/locking/mutex.c:740 Modules linked in: CPU: 0 PID: 21902 Comm: syz-executor189 Not tainted 5.16.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:586 [inline] RIP: 0010:__mutex_lock+0x9ec/0x12f0 kernel/locking/mutex.c:740 Code: 08 84 d2 0f 85 19 08 00 00 8b 05 97 38 4b 04 85 c0 0f 85 27 f7 ff ff 48 c7 c6 20 00 ac 89 48 c7 c7 a0 fe ab 89 e8 bf 76 ba ff <0f> 0b e9 0d f7 ff ff 48 8b 44 24 40 48 8d b8 c8 08 00 00 48 89 f8 RSP: 0018:ffffc9000627f290 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88802315d700 RSI: ffffffff815f1db8 RDI: fffff52000c4fe44 RBP: ffff88818f28e000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815ebb5e R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: ffffc9000627f458 R15: 0000000093c30000 FS: 0000555556abc400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fda689c3303 CR3: 000000001cfbb000 CR4: 0000000000350ef0 Call Trace: <TASK> tcf_chain0_head_change_cb_del+0x2e/0x3d0 net/sched/cls_api.c:810 tcf_block_put_ext net/sched/cls_api.c:1381 [inline] tcf_block_put_ext net/sched/cls_api.c:1376 [inline] tcf_block_put+0xbc/0x130 net/sched/cls_api.c:1394 cake_destroy+0x3f/0x80 net/sched/sch_cake.c:2695 qdisc_create.constprop.0+0x9da/0x10f0 net/sched/sch_api.c:1293 tc_modify_qdisc+0x4c5/0x1980 net/sched/sch_api.c:1660 rtnetlink_rcv_msg+0x413/0xb80 net/core/rtnetlink.c:5571 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2496 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:724 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2409 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2492 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f1bb06badb9 Code: Unable to access opcode bytes at RIP 0x7f1bb06bad8f. RSP: 002b:00007fff3012a658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1bb06badb9 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000003 R10: 0000000000000003 R11: 0000000000000246 R12: 00007fff3012a688 R13: 00007fff3012a6a0 R14: 00007fff3012a6e0 R15: 00000000000013c2 </TASK> CVE-2021-47598 SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_178-default-11-150200.2.1 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-20243848-1/ https://www.suse.com/security/cve/CVE-2021-47598.html CVE-2021-47598 https://bugzilla.suse.com/1226574 SUSE Bug 1226574 https://bugzilla.suse.com/1227471 SUSE Bug 1227471 In the Linux kernel, the following vulnerability has been resolved: dm btree remove: fix use after free in rebalance_children() Move dm_tm_unlock() after dm_tm_dec(). CVE-2021-47600 SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_178-default-11-150200.2.1 moderate 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-20243848-1/ https://www.suse.com/security/cve/CVE-2021-47600.html CVE-2021-47600 https://bugzilla.suse.com/1226575 SUSE Bug 1226575 https://bugzilla.suse.com/1227472 SUSE Bug 1227472 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 15 SP2:kernel-livepatch-5_3_18-150200_24_178-default-11-150200.2.1 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-20243848-1/ 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 15 SP2:kernel-livepatch-5_3_18-150200_24_178-default-11-150200.2.1 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-20243848-1/ 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 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 15 SP2:kernel-livepatch-5_3_18-150200_24_178-default-11-150200.2.1 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-20243848-1/ 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