CVE-2022-50295 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 94.52%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedSep 15

Description

In the Linux kernel, the following vulnerability has been resolved: io_uring/msg_ring: Fix NULL pointer dereference in io_msg_send_fd() Syzkaller produced the below call trace: BUG: KASAN: null-ptr-deref in io_msg_ring+0x3cb/0x9f0 Write of size 8 at addr 0000000000000070 by task repro/16399 CPU: 0 PID: 16399 Comm: repro Not tainted 6.1.0-rc1 #28 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-2.el7 Call Trace: dump_stack_lvl+0xcd/0x134 ? io_msg_ring+0x3cb/0x9f0 kasan_repo…

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 Packages4 packages

▶NVDlinux/linux_kernel6.0 — 6.0.6+1
▶Debianlinux/linux_kernel< 6.0.6-1+2
▶CVEListV5linux/linuxe6130eba8a848a7a6ba6c534bd8f6d60749ae1a9 — 0163e04ea64cc3dfaa12390286e5f2f481c3b2e3+2
▶debiandebian/linux< linux 6.0.6-1 (bookworm)

Patches

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

🔴Vulnerability Details

2
GHSA
GHSA-pwv6-q4qx-8vf8: In the Linux kernel, the following vulnerability has been resolved: io_uring/msg_ring: Fix NULL pointer dereference in io_msg_send_fd() Syzkaller pr↗2025-09-15
▶
OSV
CVE-2022-50295: In the Linux kernel, the following vulnerability has been resolved: io_uring/msg_ring: Fix NULL pointer dereference in io_msg_send_fd() Syzkaller prod↗2025-09-15
▶

📋Vendor Advisories

2
Red Hat
kernel: io_uring/msg_ring: Fix NULL pointer dereference in io_msg_send_fd()↗2025-09-15
▶
Debian
CVE-2022-50295: linux - In the Linux kernel, the following vulnerability has been resolved: io_uring/ms...↗2022
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CVE-2022-50295 — NULL Pointer Dereference in Linux | cvebase