In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref…
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref l2cap_chan_timeout() runs asynchronously and accesses chan->conn. If the connection is torn down while the timer is running or pending, chan->conn can be freed, leading to a use-after-free when the timer worker attempts to lock conn->lock: | BUG: KASAN: slab-use-after-free in instrument_atomic_read_write include/linux/instrumented.h:112 [inline] | BUG: KASAN: slab-use-after-free in atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:4456
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- Apple, Cisco, Debian
- Product
- ios, asa, debian
- Fix
- available
- Exposure class
- Operating system, Mobile OS, Edge / VPN / firewall
Why it ranks 23 (Routine)
- Exposed product class: edge / VPN / firewall
- Widely deployed vendor product (Apple)
- Fix available
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
- CVE-2026-64434 on this site · NVD · CVE.org · Vulnpedia
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