CVE-2024-36901
Vulnerability Summary
Timeline
Description
In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent NULL dereference in ip6_output() According to syzbot, there is a chance that ip6_dst_idev() returns NULL in ip6_output(). Most places in IPv6 stack deal with a NULL idev just fine, but not here. syzbot reported: general protection fault, probably for non-canonical address 0xdffffc00000000bc: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x00000000000005e0-0x00000000000005e7] CPU: 0 PID: 9775 Comm: syz-executor.4 Not tainted 6.9.0-rc5-syzkaller-00157-g6a30653b604a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:ip6_output+0x231/0x3f0 net/ipv6/ip6_output.c:237 Code: 3c 1e 00 49 89 df 74 08 4c 89 ef e8 19 58 db f7 48 8b 44 24 20 49 89 45 00 49 89 c5 48 8d 9d e0 05 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 4c 8b 74 24 28 0f 85 61 01 00 00 8b 1b 31 ff RSP: 0018:ffffc9000927f0d8 EFLAGS: 00010202 RAX: 00000000000000bc RBX: 00000000000005e0 RCX: 0000000000040000 RDX: ffffc900131f9000 RSI: 0000000000004f47 RDI: 0000000000004f48 RBP: 0000000000000000 R08: ffffffff8a1f0b9a R09: 1ffffffff1f51fad R10: dffffc0000000000 R11: fffffbfff1f51fae R12: ffff8880293ec8c0 R13: ffff88805d7fc000 R14: 1ffff1100527d91a R15: dffffc0000000000 FS: 00007f135c6856c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000080 CR3: 0000000064096000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> NF_HOOK include/linux/netfilter.h:314 [inline] ip6_xmit+0xefe/0x17f0 net/ipv6/ip6_output.c:358 sctp_v6_xmit+0x9f2/0x13f0 net/sctp/ipv6.c:248 sctp_packet_transmit+0x26ad/0x2ca0 net/sctp/output.c:653 sctp_packet_singleton+0x22c/0x320 net/sctp/outqueue.c:783 sctp_outq_flush_ctrl net/sctp/outqueue.c:914 [inline] sctp_outq_flush+0x6d5/0x3e20 net/sctp/outqueue.c:1212 sctp_side_effects net/sctp/sm_sideeffect.c:1198 [inline] sctp_do_sm+0x59cc/0x60c0 net/sctp/sm_sideeffect.c:1169 sctp_primitive_ASSOCIATE+0x95/0xc0 net/sctp/primitive.c:73 __sctp_connect+0x9cd/0xe30 net/sctp/socket.c:1234 sctp_connect net/sctp/socket.c:4819 [inline] sctp_inet_connect+0x149/0x1f0 net/sctp/socket.c:4834 __sys_connect_file net/socket.c:2048 [inline] __sys_connect+0x2df/0x310 net/socket.c:2065 __do_sys_connect net/socket.c:2075 [inline] __se_sys_connect net/socket.c:2072 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:2072 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.26%• Percentile: 18%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- debian•linux
< 5.10.223-1 | < 6.1.94-1 | < 6.8.11-1 | < 6.8.11-1
- ubuntu•linux
all | < 4.4.0-258.292 | < 4.15.0-228.240 | < 5.4.0-193.213 | < 5.15.0-119.129 | < 6.8.0-40.40
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
< 4.4.0-1135.141 | < 4.4.0-1173.188 | < 4.15.0-1172.185 | < 5.4.0-1131.141 | < 5.15.0-1068.74 | < 6.8.0-1013.14
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1068.74~20.04.1
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1131.141~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-6.5
all
- ubuntu•linux-aws-6.8
< 6.8.0-1013.14~22.04.1
- ubuntu•linux-aws-fips
< 4.15.0-2110.116 | all | < 5.4.0-1131.141+fips1 | < 5.15.0-1068.74+fips1
- ubuntu•linux-aws-hwe
< 4.15.0-1172.185~16.04.1
- ubuntu•linux-azure
< 4.15.0-1180.195~14.04.1 | < 4.15.0-1180.195~16.04.1 | all | < 5.4.0-1136.143 | < 5.15.0-1071.80 | < 6.8.0-1012.14
- ubuntu•linux-azure-4.15
< 4.15.0-1180.195
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1071.80~20.04.1
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1136.143~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.2
all
- ubuntu•linux-azure-6.5
all
- ubuntu•linux-azure-6.8
< 6.8.0-1012.14~22.04.1
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | < 5.15.0-1071.80.1
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-azure-fips
< 4.15.0-2089.95 | all | < 5.4.0-1136.143+fips1 | < 5.15.0-1071.80+fips1
- ubuntu•linux-bluefield
all | < 5.4.0-1091.98 | < 5.15.0-1051.53
- ubuntu•linux-fips
< 4.4.0-1104.111 | all | < 4.15.0-1126.137 | < 5.4.0-1105.115 | < 5.15.0-119.129+fips1 | < 6.8.0-78.78+fips1
- ubuntu•linux-gcp
< 4.15.0-1165.182~16.04.1 | all | < 5.4.0-1135.144 | < 5.15.0-1067.75 | < 6.8.0-1012.13
- ubuntu•linux-gcp-4.15
< 4.15.0-1165.182
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1067.75~20.04.1
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1135.144~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.2
all
- ubuntu•linux-gcp-6.5
all
- ubuntu•linux-gcp-6.8
< 6.8.0-1012.13~22.04.1
- ubuntu•linux-gcp-fips
< 4.15.0-2073.78 | all | < 5.4.0-1135.144+fips1 | < 5.15.0-1067.75+fips1
- ubuntu•linux-gke
all | < 5.15.0-1065.71 | < 6.8.0-1008.11
Showing first 50 affected entries in server-rendered view.
References (28)
- https://git.kernel.org/stable/c/9df3b2474a627994433a87cbf325a562555b17de
- https://git.kernel.org/stable/c/2272e2db38f2e85929278146d7c770f22f528579
- https://git.kernel.org/stable/c/ea0cb87402f774b0e1214ffba0f57028b27cf155
- https://git.kernel.org/stable/c/e31b25cc2066d3f2b6c38579253882008d4469b0
- https://git.kernel.org/stable/c/55f7eb4001ef2a3b48cf039cf263f9ed0ec5a488
- https://git.kernel.org/stable/c/4db783d68b9b39a411a96096c10828ff5dfada7a
- https://ubuntu.com/security/CVE-2024-36901
- https://www.cve.org/CVERecord?id=CVE-2024-36901
- https://git.kernel.org/linus/4db783d68b9b39a411a96096c10828ff5dfada7a
- https://ubuntu.com/security/notices/USN-6949-1
- https://ubuntu.com/security/notices/USN-6952-1
- https://ubuntu.com/security/notices/USN-6955-1
- https://ubuntu.com/security/notices/USN-6949-2
- https://ubuntu.com/security/notices/USN-6952-2
- https://ubuntu.com/security/notices/USN-6972-1
- https://ubuntu.com/security/notices/USN-6973-1
- https://ubuntu.com/security/notices/USN-6974-1
- https://ubuntu.com/security/notices/USN-6976-1
- https://ubuntu.com/security/notices/USN-6972-2
- https://ubuntu.com/security/notices/USN-6972-3
- https://ubuntu.com/security/notices/USN-6973-2
- https://ubuntu.com/security/notices/USN-6974-2
- https://ubuntu.com/security/notices/USN-6973-3
- https://ubuntu.com/security/notices/USN-6972-4
- https://ubuntu.com/security/notices/USN-6973-4
- https://ubuntu.com/security/notices/USN-7006-1
- https://ubuntu.com/security/notices/USN-7019-1
- https://security-tracker.debian.org/tracker/CVE-2024-36901