Vulnerability Monitor

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CVE-2025-38458

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

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.5, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 2 products from linux, from debian organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2025, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2025-07-25T16:15:31.530

Last Modified

2025-12-22T21:49:45.227

Status

Analyzed

Source

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Severity

CVSSv3.1: 5.5 (MEDIUM)

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 5.4.296	Yes
Operating System	linux	linux_kernel	< 5.10.240	Yes
Operating System	linux	linux_kernel	< 5.15.189	Yes
Operating System	linux	linux_kernel	< 6.1.146	Yes
Operating System	linux	linux_kernel	< 6.6.99	Yes
Operating System	linux	linux_kernel	< 6.12.39	Yes
Operating System	linux	linux_kernel	< 6.15.7	Yes
Operating System	linux	linux_kernel	2.6.12	Yes
Operating System	linux	linux_kernel	2.6.12	Yes
Operating System	linux	linux_kernel	2.6.12	Yes
Operating System	linux	linux_kernel	2.6.12	Yes
Operating System	linux	linux_kernel	2.6.12	Yes
Operating System	linux	linux_kernel	6.16	Yes
Operating System	linux	linux_kernel	6.16	Yes
Operating System	linux	linux_kernel	6.16	Yes
Operating System	linux	linux_kernel	6.16	Yes
Operating System	linux	linux_kernel	6.16	Yes
Operating System	debian	debian_linux	11.0	Yes

References

https://git.kernel.org/stable/c/07b585ae3699c0a5026f86ac846f144e34875eee Patch (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/22fc46cea91df3dce140a7dc6847c6fcf0354505 Patch (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/27b5bb7ea1a8fa7b8c4cfde4d2bf8650cca2e8e8 Patch (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/34a09d6240a25185ef6fc5a19dbb3cdbb6a78bc0 Patch (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/7f1cad84ac1a6af42d9d57e879de47ce37995024 Patch (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/7f8a9b396037daae453a108faec5b28886361323 Patch (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/9ec7e943aee5c28c173933f9defd40892fb3be3d Patch (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/a16fbe6087e91c8e7c4aa50e1af7ad56edbd9e3e Patch (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.