CVE-2025-38458atm: clip: Fix NULL pointer dereference in vcc_sendmsg()
- 5.5MediumCVSS base score
- 0.20%Exploitation in 30 daysEPSS · top 91% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: atm: clip: Fix NULL pointer dereference in vcc_sendmsg() atmarpd_dev_ops does not implement the send method, which may cause crash as bellow. BUG: kernel NULL pointer dereference, address: 0000000000000000 PGD 0 P4D 0 Oops: Oops: 0010 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.15.0-rc6-syzkaller-00346-g5723cc3450bc #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc9000d3cf778 EFLAGS: 00010246 RAX: 1ffffffff1910dd1 RBX: 00000000000000c0 RCX: dffffc0000000000 RDX: ffffc9000dc82000 RSI: ffff88803e4c4640 RDI: ffff888052cd0000 RBP: ffffc9000d3cf8d0 R08: ffff888052c9143f R09: 1ffff1100a592287 R10: dffffc0000000000 R11: 0000000000000000 R12: 1ffff92001a79f00 R13: ffff888052cd0000 R14: ffff88803e4c4640 R15: ffffffff8c886e88 FS: 00007fbc762566c0(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000041f1b000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> vcc_sendmsg+0xa10/0xc50 net/atm/common.c:644 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg+0x219/0x270 net/socket.c:727 ____sys_sendmsg+0x52d/0x830 net/socket.c:2566 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620 __sys_sendmmsg+0x227/0x430 net/socket.c:2709 __do_sys_sendmmsg net/socket.c:2736 [inline] __se_sys_sendmmsg net/socket.c:2733 [inline] __x64_sys_sendmmsg+0xa0/0xc0 net/socket.c:2733 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Timeline
ID reserved
By Linux
- 3 months later
· 3 months later
Published
- 16 months later
· 16 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.20% · top 91% of all CVEs (15 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 9ec7e943aee5c28c173933f9defd40892fb3be3d
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < a16fbe6087e91c8e7c4aa50e1af7ad56edbd9e3e
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 7f1cad84ac1a6af42d9d57e879de47ce37995024
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 27b5bb7ea1a8fa7b8c4cfde4d2bf8650cca2e8e8
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 07b585ae3699c0a5026f86ac846f144e34875eee
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 34a09d6240a25185ef6fc5a19dbb3cdbb6a78bc0
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 7f8a9b396037daae453a108faec5b28886361323
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 22fc46cea91df3dce140a7dc6847c6fcf0354505
- affected 2.6.12
- unaffected < 2.6.12
- unaffected 5.4.296 – ≤ 5.4.*
- unaffected 5.10.240 – ≤ 5.10.*
- unaffected 5.15.189 – ≤ 5.15.*
- unaffected 6.1.146 – ≤ 6.1.*
- unaffected 6.6.99 – ≤ 6.6.*
- unaffected 6.12.39 – ≤ 6.12.*
- unaffected 6.15.7 – ≤ 6.15.*
- unaffected 6.16 – ≤ *
References
References10
- https://git.kernel.org/stable/c/9ec7e943aee5c28c173933f9defd40892fb3be3d (opens in a new tab)
- https://git.kernel.org/stable/c/a16fbe6087e91c8e7c4aa50e1af7ad56edbd9e3e (opens in a new tab)
- https://git.kernel.org/stable/c/7f1cad84ac1a6af42d9d57e879de47ce37995024 (opens in a new tab)
- https://git.kernel.org/stable/c/27b5bb7ea1a8fa7b8c4cfde4d2bf8650cca2e8e8 (opens in a new tab)
- https://git.kernel.org/stable/c/07b585ae3699c0a5026f86ac846f144e34875eee (opens in a new tab)
- https://git.kernel.org/stable/c/34a09d6240a25185ef6fc5a19dbb3cdbb6a78bc0 (opens in a new tab)
- https://git.kernel.org/stable/c/7f8a9b396037daae453a108faec5b28886361323 (opens in a new tab)
- https://git.kernel.org/stable/c/22fc46cea91df3dce140a7dc6847c6fcf0354505 (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-22683 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-38458)Record last updated .