CVE-2026-74433

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Source
https://cve.org/CVERecord?id=CVE-2026-74433
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-74433.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-74433
Downstream
Published
2026-08-15T05:59:32Z
Modified
2026-08-18T04:17:19Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
rxrpc: Fix UAF in rxgk_issue_challenge()
Details

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.

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74433.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a
Fixed
844b8525ce503405c462ad67f750bec648720397
Fixed
83bb0ed050e2ad9453d8ef50e4d6e624eac6eed8
Fixed
107a4cb0d47e735830f852d83970d5c81f8e1e08

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-74433.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.16.0
Fixed
6.18.40
Type
ECOSYSTEM
Events
Introduced
6.19.0
Fixed
7.1.5

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-74433.json"