CVE-2023-53657 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer DereferenceCWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 98.22%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedOct 7

Description

In the Linux kernel, the following vulnerability has been resolved: ice: Don't tx before switchdev is fully configured There is possibility that ice_eswitch_port_start_xmit might be called while some resources are still not allocated which might cause NULL pointer dereference. Fix this by checking if switchdev configuration was finished.

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_kernel5.16 — 6.1.55+1
▶Debianlinux/linux_kernel< 6.1.55-1+2
▶CVEListV5linux/linuxf5396b8a663f7a78ee5b75a47ee524b40795b265 — 5760a72b3060150b587eff3e879648c7470efddd+3
▶debiandebian/linux< linux 6.1.55-1 (bookworm)

Patches

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

🔴Vulnerability Details

2
GHSA
GHSA-3cqg-r9w7-gjfg: In the Linux kernel, the following vulnerability has been resolved: ice: Don't tx before switchdev is fully configured There is possibility that ice↗2025-10-07
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OSV
CVE-2023-53657: In the Linux kernel, the following vulnerability has been resolved: ice: Don't tx before switchdev is fully configured There is possibility that ice_e↗2025-10-07
▶

📋Vendor Advisories

2
Red Hat
kernel: ice: Don't tx before switchdev is fully configured↗2025-10-07
▶
Debian
CVE-2023-53657: linux - In the Linux kernel, the following vulnerability has been resolved: ice: Don't ...↗2023
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