Critical severity · published Aug 15, 2026
CVE-2026-74428
rxrpc: Fix double unlock in rxrpc_recvmsg()
9.8
CVSS
0.6%
EPSS
No
On KEV
Description
In the Linux kernel, the following vulnerability has been resolved:
rxrpc: Fix double unlock in rxrpc_recvmsg()
Fix a double unlock in rxrpc_recvmsg() when dealing with OOB messages.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Linux · Linux
5800b1cf3fd8ccab752a101865be1e76dac33142 before 8cd8cf3052fff9a4b86b25734f610e4af03786d3; 5800b1cf3fd8ccab752a101865be1e76dac33142 before 1297ae6aeebc3863cb437e42a1bc4cd6173e43d9; 5800b1cf3fd8ccab752a101865be1e76dac33142 before a2f299b4d5510147fa8629a6aba2869bbcc88aea; 6.16 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-74428
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-74428
git.kernel.org
https://git.kernel.org/stable/c/1297ae6aeebc3863cb437e42a1bc4cd6173e43d9
git.kernel.org
https://git.kernel.org/stable/c/8cd8cf3052fff9a4b86b25734f610e4af03786d3
git.kernel.org
https://git.kernel.org/stable/c/a2f299b4d5510147fa8629a6aba2869bbcc88aea
More from Linux
9.8
CVE-2025-39682
tls: fix handling of zero-length records on the rx_list
8.8
CVE-2026-53266
netfilter: bridge: make ebt_snat ARP rewrite writable
7.8
CVE-2026-53362
ipv6: account for fraggap on the paged allocation path
7.8
CVE-2026-46300
net: skbuff: preserve shared-frag marker during coalescing
7.8
CVE-2026-31431
crypto: algif_aead - Revert to operating out-of-place