CVE-2026-98876: Linux kernel · host1x: bus: Fix missing ops null check in error teardown
Affects Linux kernelSource CVE Database V5
Not known to be exploited · fixed in f1fa6c936fa9de80ae446ba5e76e227e991b8e56 : update Linux kernel when convenient.
Data as of 26 Oct 2026, 12:55 UTC
Rated Medium by Threat Radar's AI analysis · CVSS not yet scored by NVD
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in f1fa6c936fa9de80ae446ba5e76e227e991b8e56, d8d5b6e02fc281dea33d6b0b0fadaccea56f2067, 62851e7b0e55de6fe08da08bc41fd587fbcb0e9b +3
Exploitation evidence
Disclosed: evidence found.
CVE published 23 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 to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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AI-suggested
A fix is available and has been applied in the Linux kernel commits identified by the fixedVersions hashes. Users should update to a Linux kernel version that includes these fixes to remediate the issue.
Description
A vulnerability in the Linux kernel's host1x bus driver was fixed by adding a missing null check for client operations during error teardown. Without this check, a NULL pointer dereference could occur if client->ops is NULL, potentially causing a kernel crash.
References
- git.kernel.org/stable/c/d8d5b6e02fc281dea33d6b0b0fadaccea56f2067 (opens in a new tab)
- git.kernel.org/stable/c/f1fa6c936fa9de80ae446ba5e76e227e991b8e56 (opens in a new tab)
- git.kernel.org/stable/c/74bd1f05d9ba2d6672d30ccafe80a38104c1f73f (opens in a new tab)
- git.kernel.org/stable/c/62851e7b0e55de6fe08da08bc41fd587fbcb0e9b (opens in a new tab)
- git.kernel.org/stable/c/29375e071ea201fe97bafe1d2ad9d9f30311abfb (opens in a new tab)
- git.kernel.org/stable/c/71d25f668bc5c0f36ea843462e12307dea45aaa3 (opens in a new tab)