CVE-2022-50253 — Improper Handling of Length Parameter Inconsistency in Linux

CWE-130 — Improper Handling of Length Parameter Inconsistency5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 97.47%
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: bpf: make sure skb->len != 0 when redirecting to a tunneling device syzkaller managed to trigger another case where skb->len == 0 when we enter __dev_queue_xmit: WARNING: CPU: 0 PID: 2470 at include/linux/skbuff.h:2576 skb_assert_len include/linux/skbuff.h:2576 [inline] WARNING: CPU: 0 PID: 2470 at include/linux/skbuff.h:2576 __dev_queue_xmit+0x2069/0x35e0 net/core/dev.c:4295 Call Trace: dev_queue_xmit+0x17/0x20 net/core/dev…

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_kernel4.15 — 4.19.270+6
▶Debianlinux/linux_kernel< 5.10.178-1+3
▶CVEListV5linux/linux4e3264d21b90984c2165e8fe5a7b64cf25bc2c2d — ffbccc5fb0a67424e12f7f8da210c04c8063f797+8
▶debiandebian/linux< linux 6.1.4-1 (bookworm)

Patches

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

🔴Vulnerability Details

2
OSV
CVE-2022-50253: In the Linux kernel, the following vulnerability has been resolved: bpf: make sure skb->len != 0 when redirecting to a tunneling device syzkaller mana↗2025-09-15
▶
GHSA
GHSA-mmcv-ff9h-q89c: In the Linux kernel, the following vulnerability has been resolved: bpf: make sure skb->len != 0 when redirecting to a tunneling device syzkaller ma↗2025-09-15
▶

📋Vendor Advisories

2
Red Hat
kernel: Linux kernel: Denial of Service in network packet redirection↗2025-09-15
▶
Debian
CVE-2022-50253: linux - In the Linux kernel, the following vulnerability has been resolved: bpf: make s...↗2022
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CVE-2022-50253 — Linux vulnerability | cvebase