CVE-2023-53491 — Improper Initialization in Linux

CWE-665 — Improper Initialization5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 95.28%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedOct 1

Description

In the Linux kernel, the following vulnerability has been resolved: start_kernel: Add __no_stack_protector function attribute Back during the discussion of commit a9a3ed1eff36 ("x86: Fix early boot crash on gcc-10, third try") we discussed the need for a function attribute to control the omission of stack protectors on a per-function basis; at the time Clang had support for no_stack_protector but GCC did not. This was fixed in gcc-11. Now that the function attribute is available, let's start u…

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_kernel2.6.30 — 6.4.4
▶Debianlinux/linux_kernel< 6.4.4-1+1
▶CVEListV5linux/linux420594296838fdc9a674470d710cda7d1487f9f4 — 25e73018b4093e0cfbcec5dc4a4bb86d0b69ed56+2
▶debiandebian/linux< linux 6.4.4-1 (forky)

Patches

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

🔴Vulnerability Details

2
OSV
CVE-2023-53491: In the Linux kernel, the following vulnerability has been resolved: start_kernel: Add __no_stack_protector function attribute Back during the discussi↗2025-10-01
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GHSA
GHSA-w4g3-pp54-phhq: In the Linux kernel, the following vulnerability has been resolved: start_kernel: Add __no_stack_protector function attribute Back during the discus↗2025-10-01
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📋Vendor Advisories

2
Red Hat
kernel: start_kernel: Add __no_stack_protector function attribute↗2025-10-01
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Debian
CVE-2023-53491: linux - In the Linux kernel, the following vulnerability has been resolved: start_kerne...↗2023
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