What is CVE-2026-31639?

CVE-2026-31639 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-04-24.

How severe is CVE-2026-31639?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2026-31639

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix key reference count leak from call->key When creating a client call in rxrpc_alloc_client_call(), the code obtains a reference to the key. This is never clea…

EPSS: 0.001 (2.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions f3441d4125fc98995858550a5521b8d7daf0504a, 6.2, 0
Linux Linux_kernel — versions 6.2, 7.0

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-31639?: CVE-2026-31639 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-04-24.
How severe is CVE-2026-31639?: Medium severity. CVSS v3 base score is 5.5 out of 10.