Critical· 9.8official fix available
CVE-2025-68301
A critical bug in the Linux kernel's atlantic driver can cause a kernel crash when it receives packets with too many fragments. The flaw allows an out-of-bounds write that leads to a kernel panic. The issue has been fixed in a recent kernel update.
publishedDec 16, 2025
last modifiedJul 30, 2026
sourcesNVD
severity · cvss
9.8
critical · how bad it is
exploitation · epss
<1%
34th 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 Aug 29, 2026
An official fix is available, so this entry is kept for 30 days and then removed automatically.
01
Who is affected
Linux kernel, atlantic driver (Aquantia AQC113 10G NIC).
02
Real-world impact
An attacker could trigger a kernel panic, causing a denial of service on the affected system.
03
Why this severity
The CVSS score of 9.8 reflects that the vulnerability is exploitable from the network, requires no privileges, and can completely compromise confidentiality, integrity, and availability by crashing the kernel.
04
What to do about it
official fix available
recommended steps
- 01Update the Linux kernel to a version that includes the atlantic driver patch that fixes the fragment overflow handling.
NVD-referenced vendor advisory
05
Timeline
- Dec 16, 2025 · Dec 16, 2025PublishedDisclosed and added to the National Vulnerability Database.
- Jul 30, 2026 · 6d agoAdvisory updatedThe NVD record was last revised.
- Jul 30, 2026 · 6d 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
- git.kernel.org/stable/c/34147477eeab24077f…
- git.kernel.org/stable/c/3be37c3c96b1646239…
- git.kernel.org/stable/c/3fd2105e1b7e041cc2…
- git.kernel.org/stable/c/5d6051ea1b0417ae2f…
- git.kernel.org/stable/c/5ffcb7b890f6154120…
- git.kernel.org/stable/c/64e47cd1fd631a21bf…
- git.kernel.org/stable/c/b0c4d5135b04ea1009…
(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 →