CVE-2026-98118: Linux kernel · Race Condition
Source GCVE Database
Not known to be exploited · CVSS 7.1 Medium : upgrade to fed0b33e6c584986ba70018ec9f9787a98216e64 or 8c9b33945712074a85d3bdacbca036ba6b3d92c6 when convenient.
Data as of 28 Oct 2026, 19:59 UTC
- Patch
- Available – fixed in fed0b33e6c584986ba70018ec9f9787a98216e64, 8c9b33945712074a85d3bdacbca036ba6b3d92c6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 25 Sep 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 fed0b33e6c584986ba70018ec9f9787a98216e64 or 8c9b33945712074a85d3bdacbca036ba6b3d92c6.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in– |
AI-suggested
A fix for this vulnerability has been implemented in the Linux kernel by modifying the readahead buffer handling to load all folios upfront and manage references more efficiently. Users should apply the official kernel updates that include this fix once available. No additional mitigation steps are indicated.
Description
CVE-2026-98118 is a high-severity vulnerability in the Linux kernel's netfs component related to readahead synchronization. The issue arises from synchronization problems when the application thread adds folios to a rolling buffer while the collector thread processes them. The vulnerability has been fixed by changing the rolling buffer loader to load all folios upfront, simplifying buffer handling and preventing race conditions.