Vulnerability details
CVE-2026-74433
Linux Linux
rxrpc: Fix UAF in rxgk_issue_challenge()
CVSS 3.1
9.8Critical
Official description
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix UAF in rxgk_issue_challenge() Fix rxgk_issue_challenge() to free the page containing the challenge content after invoking the tracepoint as the whdr passed to the tracepoint points into the page just freed.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.8Critical | 3.1 | CVEProject cvelistV5 (CNA) (Linux) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Linux | Linux | 6.16 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a ≤ v < 844b8525ce503405c462ad67f750bec648720397 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a ≤ v < 83bb0ed050e2ad9453d8ef50e4d6e624eac6eed8 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a ≤ v < 107a4cb0d47e735830f852d83970d5c81f8e1e08 | CVEProject cvelistV5 (CNA) |
References and advisories
3
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Details
- Published
- 2026-08-15
- Last updated
- 2026-08-17
- State
- Published
- Assigner (CNA)
- Linux
Exploit prediction (EPSS)
0.64%
Probability of exploitation in 30 days
51.4%
Percentile (among all CVEs)
Weaknesses (CWE)
- —