Not yet scoredPublished Dec 30, 2025

CVE-2023-54264fs/sysv: Null check to prevent null-ptr-deref bug

Updated under an hour ago (Oct 27, 2026, 3:10 PM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: fs/sysv: Null check to prevent null-ptr-deref bug sb_getblk(inode->i_sb, parent) return a null ptr and taking lock on that leads to the null-ptr-deref bug.

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Deferred
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from e5657933863f43cc6bb76a54d659303dafaa9e58 before e976988bc245ec3768cc0f76bed7d05488a7dd0f; from e5657933863f43cc6bb76a54d659303dafaa9e58 before baa60c66a310c50785289b0ede6fdce8ec3219c7; from e5657933863f43cc6bb76a54d659303dafaa9e58 before 0a44ceba77c3267f8505dda102a59367dc24caee; from e5657933863f43cc6bb76a54d659303dafaa9e58 before 7f740bc696d4617f8ee44565e8ac0d36278a1e91; from e5657933863f43cc6bb76a54d659303dafaa9e58 before afd9a31b5aa4b3747f382d44a7b03b7b5d0b7635; from e5657933863f43cc6bb76a54d659303dafaa9e58 before 1416eebaad80bdc85ad9f97f27242011b031e2a9; from e5657933863f43cc6bb76a54d659303dafaa9e58 before e28f376dd8dfcc4e880ac101184132bc08703f6e; from e5657933863f43cc6bb76a54d659303dafaa9e58 before ea2b62f305893992156a798f665847e0663c9f41	CNA record

References

References

https://git.kernel.org/stable/c/e976988bc245ec3768cc0f76bed7d05488a7dd0f
https://git.kernel.org/stable/c/baa60c66a310c50785289b0ede6fdce8ec3219c7
https://git.kernel.org/stable/c/0a44ceba77c3267f8505dda102a59367dc24caee
https://git.kernel.org/stable/c/7f740bc696d4617f8ee44565e8ac0d36278a1e91
https://git.kernel.org/stable/c/afd9a31b5aa4b3747f382d44a7b03b7b5d0b7635
https://git.kernel.org/stable/c/1416eebaad80bdc85ad9f97f27242011b031e2a9
https://git.kernel.org/stable/c/e28f376dd8dfcc4e880ac101184132bc08703f6e
https://git.kernel.org/stable/c/ea2b62f305893992156a798f665847e0663c9f41

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.