Critical· 9.8official fix available
CVE-2024-53179
A critical use‑after‑free bug in the Linux kernel’s SMB client could let an attacker crash the system or gain control. The flaw was fixed by adding checks before accessing the signing key.
publishedDec 27, 2024
last modifiedAug 4, 2026
sourcesNVD
severity · cvss
9.8
critical · how bad it is
exploitation · epss
<1%
17th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Sep 3, 2026
An official fix is available, so this entry is kept for 30 days and then removed automatically.
01
Who is affected
Linux kernel (any distribution) that uses the SMB client before the fix.
02
Real-world impact
An attacker could crash the system or potentially execute arbitrary code by exploiting the use‑after‑free in the SMB client.
03
Why this severity
The CVSS score of 9.8 reflects that the vulnerability is exploitable over the network, requires no user interaction, and can compromise confidentiality, integrity, and availability.
04
What to do about it
official fix available
recommended steps
- 01Upgrade your Linux kernel to a version that includes the fix for CVE-2024-53179.
NVD-referenced vendor advisory
05
Timeline
- Dec 27, 2024 · Dec 27, 2024PublishedDisclosed and added to the National Vulnerability Database.
- Aug 4, 2026 · 2d agoAdvisory updatedThe NVD record was last revised.
- Aug 4, 2026 · 1d agoOfficial fix availableA vendor patch or mitigation now exists — see the remediation steps above.
06
How it’s attacked
Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone needed
ScopeUnchanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07
References & advisories
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →