CVE-2026-64010
CVE CVE-2026-64010EUVD EUVD-2026-45583Published 2026-07-19T14:56:25.000ZLast changed 2026-08-05T12:38:10.000ZCVSS 8.8
What the advisory describes
In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: Fix use-after-free race in nfc_llcp_recv_cc() A race condition exists in the NFC LLCP connection state machine where the connection acceptance packet (CC) can be processed concurrently with socket release. This can lead to a use-after-free of the socket object. When nfc_llcp_recv_cc() moves the socket from the connecting_sockets list to the sockets list, it does so without holding the socket lock. If llcp_sock_release() is executing concurrently, it might have already unlinked the socket and dropped its references, which can result in nfc_llcp_recv_cc() linking a freed socket into the live list. Fix this by holding lock_sock() during the state transition and list movement in nfc_llcp_recv_cc(). After acquiring the lock, check if the socket is still hashed to ensure it hasn't already been unlinked and marked for destruction by the release path. This aligns the locking pattern with recv_hdlc() and recv_disc().
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- Linux — Linux patch: 6.18.35; patch: 7.1; patch: 6.1.176; a69f32af86e389dd232b1bb2269e202c1bfcc60f <b493ea2765cc17cb8aa7e7544a4b6dcb05b6ed77; a69f32af86e389dd232b1bb2269e202c1bfcc60f <0b45c31746e1523d5d482fda8fcf54a35ac417f1; patch: 6.6.143; a69f32af86e389dd232b1bb2269e202c1bfcc60f <dce85215a6c7b0fd753f577a4c487f647119884c; a69f32af86e389dd232b1bb2269e202c1bfcc60f <b2a60f7f846faaf5c2cdad4ea6d3a33e5f863183; patch: 5.10.259; patch: 0; patch: 5.15.210; 3.6; patch: 6.12.93; a69f32af86e389dd232b1bb2269e202c1bfcc60f <ee2d1a8a1833c5e56e9a1745e64b0b4edda732c2; a69f32af86e389dd232b1bb2269e202c1bfcc60f <ad8a27d63cac96bac441edd002209ebd996e12fb; patch: 7.0.12; a69f32af86e389dd232b1bb2269e202c1bfcc60f <650bdd8fdfab64a09ee474150313dbc48c374795; a69f32af86e389dd232b1bb2269e202c1bfcc60f <bd08bb7443c501d2f2a71d529e4afcf11c9b07d2
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Linux — Linux
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