tipc: fix UAF in error path
Summary
| CVE | CVE-2024-36886 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2024-05-30 16:15:12 UTC |
| Updated | 2026-08-04 11:18:27 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in error path Sam Page (sam4k) working with Trend Micro Zero Day Initiative reported a UAF in the tipc_buf_append() error path: BUG: KASAN: slab-use-after-free in kfree_skb_list_reason+0x47e/0x4c0 linux/net/core/skbuff.c:1183 Read of size 8 at addr ffff88804d2a7c80 by task poc/8034 CPU: 1 PID: 8034 Comm: poc Not tainted 6.8.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-debian-1.16.0-5 04/01/2014 Call Trace: <IRQ> __dump_stack linux/lib/dump_stack.c:88 dump_stack_lvl+0xd9/0x1b0 linux/lib/dump_stack.c:106 print_address_description linux/mm/kasan/report.c:377 print_report+0xc4/0x620 linux/mm/kasan/report.c:488 kasan_report+0xda/0x110 linux/mm/kasan/report.c:601 kfree_skb_list_reason+0x47e/0x4c0 linux/net/core/skbuff.c:1183 skb_release_data+0x5af/0x880 linux/net/core/skbuff.c:1026 skb_release_all linux/net/core/skbuff.c:1094 __kfree_skb linux/net/core/skbuff.c:1108 kfree_skb_reason+0x12d/0x210 linux/net/core/skbuff.c:1144 kfree_skb linux/./include/linux/skbuff.h:1244 tipc_buf_append+0x425/0xb50 linux/net/tipc/msg.c:186 tipc_link_input+0x224/0x7c0 linux/net/tipc/link.c:1324 tipc_link_rcv+0x76e/0x2d70 linux/net/tipc/link.c:1824 tipc_rcv+0x45f/0x10f0 linux/net/tipc/node.c:2159 tipc_udp_recv+0x73b/0x8f0 linux/net/tipc/udp_media.c:390 udp_queue_rcv_one_skb+0xad2/0x1850 linux/net/ipv4/udp.c:2108 udp_queue_rcv_skb+0x131/0xb00 linux/net/ipv4/udp.c:2186 udp_unicast_rcv_skb+0x165/0x3b0 linux/net/ipv4/udp.c:2346 __udp4_lib_rcv+0x2594/0x3400 linux/net/ipv4/udp.c:2422 ip_protocol_deliver_rcu+0x30c/0x4e0 linux/net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x2e4/0x520 linux/net/ipv4/ip_input.c:233 NF_HOOK linux/./include/linux/netfilter.h:314 NF_HOOK linux/./include/linux/netfilter.h:308 ip_local_deliver+0x18e/0x1f0 linux/net/ipv4/ip_input.c:254 dst_input linux/./include/net/dst.h:461 ip_rcv_finish linux/net/ipv4/ip_input.c:449 NF_HOOK linux/./include/linux/netfilter.h:314 NF_HOOK linux/./include/linux/netfilter.h:308 ip_rcv+0x2c5/0x5d0 linux/net/ipv4/ip_input.c:569 __netif_receive_skb_one_core+0x199/0x1e0 linux/net/core/dev.c:5534 __netif_receive_skb+0x1f/0x1c0 linux/net/core/dev.c:5648 process_backlog+0x101/0x6b0 linux/net/core/dev.c:5976 __napi_poll.constprop.0+0xba/0x550 linux/net/core/dev.c:6576 napi_poll linux/net/core/dev.c:6645 net_rx_action+0x95a/0xe90 linux/net/core/dev.c:6781 __do_softirq+0x21f/0x8e7 linux/kernel/softirq.c:553 do_softirq linux/kernel/softirq.c:454 do_softirq+0xb2/0xf0 linux/kernel/softirq.c:441 </IRQ> <TASK> __local_bh_enable_ip+0x100/0x120 linux/kernel/softirq.c:381 local_bh_enable linux/./include/linux/bottom_half.h:33 rcu_read_unlock_bh linux/./include/linux/rcupdate.h:851 __dev_queue_xmit+0x871/0x3ee0 linux/net/core/dev.c:4378 dev_queue_xmit linux/./include/linux/netdevice.h:3169 neigh_hh_output linux/./include/net/neighbour.h:526 neigh_output linux/./include/net/neighbour.h:540 ip_finish_output2+0x169f/0x2550 linux/net/ipv4/ip_output.c:235 __ip_finish_output linux/net/ipv4/ip_output.c:313 __ip_finish_output+0x49e/0x950 linux/net/ipv4/ip_output.c:295 ip_finish_output+0x31/0x310 linux/net/ipv4/ip_output.c:323 NF_HOOK_COND linux/./include/linux/netfilter.h:303 ip_output+0x13b/0x2a0 linux/net/ipv4/ip_output.c:433 dst_output linux/./include/net/dst.h:451 ip_local_out linux/net/ipv4/ip_output.c:129 ip_send_skb+0x3e5/0x560 linux/net/ipv4/ip_output.c:1492 udp_send_skb+0x73f/0x1530 linux/net/ipv4/udp.c:963 udp_sendmsg+0x1a36/0x2b40 linux/net/ipv4/udp.c:1250 inet_sendmsg+0x105/0x140 linux/net/ipv4/af_inet.c:850 sock_sendmsg_nosec linux/net/socket.c:730 __sock_sendmsg linux/net/socket.c:745 __sys_sendto+0x42c/0x4e0 linux/net/socket.c:2191 __do_sys_sendto linux/net/socket.c:2203 __se_sys_sendto linux/net/socket.c:2199 __x64_sys_sendto+0xe0/0x1c0 linux/net/socket.c:2199 do_syscall_x64 linux/arch/x86/entry/common.c:52 do_syscall_ ---truncated--- |
Risk And Classification
Primary CVSS: v3.1 7.8 HIGH from [email protected]
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Problem Types: CWE-416 | CWE-416 CWE-416 Use After Free
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | ADP | DECLARED | 8.1 | HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | Secondary | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 8.1 | HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | CNA | DECLARED | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 1149557d64c97dc9adf3103347a1c0e8c06d3b89 e19ec8ab0e25bc4803d7cc91c84e84532e2781bd git | Not specified |
| CNA | Linux | Linux | affected 1149557d64c97dc9adf3103347a1c0e8c06d3b89 93bc2d6d16f2c3178736ba6b845b30475856dc40 git | Not specified |
| CNA | Linux | Linux | affected 1149557d64c97dc9adf3103347a1c0e8c06d3b89 367766ff9e407f8a68409b7ce4dc4d5a72afeab1 git | Not specified |
| CNA | Linux | Linux | affected 1149557d64c97dc9adf3103347a1c0e8c06d3b89 66116556076f0b96bc1aa9844008c743c8c67684 git | Not specified |
| CNA | Linux | Linux | affected 1149557d64c97dc9adf3103347a1c0e8c06d3b89 21ea04aad8a0839b4ec27ef1691ca480620e8e14 git | Not specified |
| CNA | Linux | Linux | affected 1149557d64c97dc9adf3103347a1c0e8c06d3b89 ffd4917c1edb3c3ff334fce3704fbe9c39f35682 git | Not specified |
| CNA | Linux | Linux | affected 1149557d64c97dc9adf3103347a1c0e8c06d3b89 a0fbb26f8247e326a320e2cb4395bfb234332c90 git | Not specified |
| CNA | Linux | Linux | affected 1149557d64c97dc9adf3103347a1c0e8c06d3b89 080cbb890286cd794f1ee788bbc5463e2deb7c2b git | Not specified |
| CNA | Linux | Linux | affected 4.1 | Not specified |
| CNA | Linux | Linux | unaffected 4.1 semver | Not specified |
| CNA | Linux | Linux | unaffected 4.19.314 4.19.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.4.276 5.4.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.217 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.159 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.91 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.31 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.8.10 6.8.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.9 * original_commit_for_fix | Not specified |
| ADP | Linux | Linux Kernel | affected 4.1 | Not specified |
| ADP | Linux | Linux Kernel | affected 1149557d64c9 e19ec8ab0e25 custom | Not specified |
| ADP | Linux | Linux Kernel | affected 1149557d64c9 93bc2d6d16f2 custom | Not specified |
| ADP | Linux | Linux Kernel | affected 1149557d64c9 367766ff9e40 custom | Not specified |
| ADP | Linux | Linux Kernel | affected 1149557d64c9 66116556076f custom | Not specified |
| ADP | Linux | Linux Kernel | affected 1149557d64c9 21ea04aad8a0 custom | Not specified |
| ADP | Linux | Linux Kernel | affected 1149557d64c9 ffd4917c1edb custom | Not specified |
| ADP | Linux | Linux Kernel | affected 1149557d64c9 a0fbb26f8247 custom | Not specified |
| ADP | Linux | Linux Kernel | affected 1149557d64c9 080cbb890286 custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/367766ff9e407f8a68409b7ce4dc4d5a72afeab1 | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | Patch |
| git.kernel.org/stable/c/93bc2d6d16f2c3178736ba6b845b30475856dc40 | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | Patch |
| git.kernel.org/stable/c/ffd4917c1edb3c3ff334fce3704fbe9c39f35682 | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | Patch |
| git.kernel.org/stable/c/080cbb890286cd794f1ee788bbc5463e2deb7c2b | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | Patch |
| lists.debian.org/debian-lts-announce/2024/06/msg00019.html | af854a3a-2127-422b-91ae-364da2661108 | lists.debian.org | Third Party Advisory |
| security.netapp.com/advisory/ntap-20241018-0002 | af854a3a-2127-422b-91ae-364da2661108 | security.netapp.com | Third Party Advisory |
| git.kernel.org/stable/c/a0fbb26f8247e326a320e2cb4395bfb234332c90 | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | Patch |
| git.kernel.org/stable/c/66116556076f0b96bc1aa9844008c743c8c67684 | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | Patch |
| git.kernel.org/stable/c/e19ec8ab0e25bc4803d7cc91c84e84532e2781bd | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | Patch |
| git.kernel.org/stable/c/21ea04aad8a0839b4ec27ef1691ca480620e8e14 | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | Patch |
| lists.debian.org/debian-lts-announce/2024/06/msg00020.html | af854a3a-2127-422b-91ae-364da2661108 | lists.debian.org | Third Party Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.