CVE-2026-98177: Linux kernel · drm/amdkfd: Avoid integer underflow in EOP ring size calculation.
Affects Linux kernelSource CVE Database V5
Not known to be exploited : upgrade to 287a34c4d712e0bdb67751e21316d9c8d75a528a or 8ee521b8b189799e361d4233c5180ba56656d4d4 when convenient.
Data as of 26 Oct 2026, 12:55 UTC
Rated Low by Threat Radar's AI analysis · CVSS not yet scored by NVD
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 4% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 287a34c4d712e0bdb67751e21316d9c8d75a528a, 8ee521b8b189799e361d4233c5180ba56656d4d4
Exploitation evidence
Disclosed: evidence found.
CVE published 6 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade Linux kernel to 287a34c4d712e0bdb67751e21316d9c8d75a528a or 8ee521b8b189799e361d4233c5180ba56656d4d4.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in– |
AI-suggested
A fix has been implemented and merged into the Linux kernel in the commits identified by hashes 287a34c4d712e0bdb67751e21316d9c8d75a528a and 8ee521b8b189799e361d4233c5180ba56656d4d4. Users and administrators should update to a Linux kernel version including these commits to remediate the vulnerability.
Description
A vulnerability in the Linux kernel's drm/amdkfd component could cause an integer underflow in the calculation of the EOP ring size. The issue arises from the use of a logarithmic calculation that could theoretically return zero, leading to an underflow. This has been corrected by adjusting the calculation method to prevent underflow and clarifying the mathematical rationale in the code comments.