Get a Demo

Let's Patch It!

Book a short call with one our specialists, we'll walk you through how Endor Patches work, and ask you a few questions about your environment (like your primary programming languages and repository management). We'll also send you an email right after you fill out the form, feel free to reply with any questions you have in advance!

CVE

CVE-2026-74433

rxrpc: Fix UAF in rxgk_issue_challenge()
Back to all
CVE

CVE-2026-74433

rxrpc: Fix UAF in rxgk_issue_challenge()

In the Linux kernel, the following vulnerability has been resolved:

rxrpc: Fix UAF in rxgkissuechallenge()

Fix rxgkissuechallenge() 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.

Package Versions Affected

Package Version
patch Availability
No items found.

Automatically patch vulnerabilities without upgrading

Fix Without Upgrading
Detect compatible fix
Apply safe remediation
Fix with a single pull request

CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://git.kernel.org/stable/c/107a4cb0d47e735830f852d83970d5c81f8e1e08, https://git.kernel.org/stable/c/83bb0ed050e2ad9453d8ef50e4d6e624eac6eed8, https://git.kernel.org/stable/c/844b8525ce503405c462ad67f750bec648720397, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74433.json, https://nvd.nist.gov/vuln/detail/CVE-2026-74433, https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Severity

9.8

CVSS Score
0
10

Basic Information

Base CVSS
9.8
EPSS Probability
0.00347%
EPSS Percentile
0.274%
Introduced Version
9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a,6.16.0,6.19.0,0
Fix Available
107a4cb0d47e735830f852d83970d5c81f8e1e08,6.18.40,7.1.5

Fix Critical Vulnerabilities Instantly

Secure your app without upgrading.
Fix Without Upgrading