CVE-2025-22062 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference59 documents7 sources
Severity
5.5MEDIUMNVD
OSV8.8OSV7.1OSV5.9
EPSS
0.1%
top 70.26%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
LinuxLinux KernelDebian Linux+3 more
Timeline
PublishedApr 16
Latest updateJan 9

Description

In the Linux kernel, the following vulnerability has been resolved: sctp: add mutual exclusion in proc_sctp_do_udp_port() We must serialize calls to sctp_udp_sock_stop() and sctp_udp_sock_start() or risk a crash as syzbot reported: Oops: general protection fault, probably for non-canonical address 0xdffffc000000000d: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000068-0x000000000000006f] CPU: 1 UID: 0 PID: 6551 Comm: syz.1.44 Not tainted 6.14.0-syzkaller-g7f2ff7b62617 #…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages8 packages

▶NVDlinux/linux_kernel5.11 — 6.12.23+2
▶Debianlinux/linux_kernel< 6.1.140-1+2
▶Ubuntulinux/linux_kernel< 5.15.0-144.157+2
▶CVEListV5linux/linux046c052b475e7119b6a30e3483e2888fc606a2f8 — 65ccb2793da7401772a3ffe85355c831b313c59f+7

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

29
OSV
linux-azure-nvidia vulnerabilities↗2026-01-09
▶
OSV
linux-azure-fips vulnerabilities↗2025-12-17
▶
OSV
linux-raspi vulnerabilities↗2025-11-25
▶
OSV
linux-raspi-realtime vulnerabilities↗2025-11-24
▶
OSV
linux-aws-6.8 vulnerabilities↗2025-11-12
▶

📋Vendor Advisories

29
Ubuntu
Linux kernel (Azure, N-Series) vulnerabilities↗2026-01-09
▶
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities↗2025-12-17
▶
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities↗2025-11-25
▶
Ubuntu
Linux kernel (Raspberry Pi Real-time) vulnerabilities↗2025-11-24
▶
Ubuntu
Linux kernel (AWS) vulnerabilities↗2025-11-12
▶
CVE-2025-22062 — NULL Pointer Dereference in Linux | cvebase