CVE-2025-38471Critical· 9.8▾ MidnightIn the Linux kernel, the following vulnerability has been resolved: tls: always refresh the queue when reading sock After recent changes in net-next TCP compacts skbs much more aggressively. This unearthed a bug in TLS where we may try…
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 53.9 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.4%
0.4% → 0.5%
In the Linux kernel, the following vulnerability has been resolved:
tls: always refresh the queue when reading sock
After recent changes in net-next TCP compacts skbs much more aggressively. This unearthed a bug in TLS where we may try to operate on an old skb when checking if all skbs in the queue have matching decrypt state and geometry.
BUG: KASAN: slab-use-after-free in tls_strp_check_rcv+0x898/0x9a0 [tls]
(net/tls/tls_strp.c:436 net/tls/tls_strp.c:530 net/tls/tls_strp.c:544)
Read of size 4 at addr ffff888013085750 by task tls/13529
CPU: 2 UID: 0 PID: 13529 Comm: tls Not tainted 6.16.0-rc5-virtme
Call Trace:
kasan_report+0xca/0x100
tls_strp_check_rcv+0x898/0x9a0 [tls]
tls_rx_rec_wait+0x2c9/0x8d0 [tls]
tls_sw_recvmsg+0x40f/0x1aa0 [tls]
inet_recvmsg+0x1c3/0x1f0
Always reload the queue, fast path is to have the record in the queue when we wake, anyway (IOW the path going down "if !strp->stm.full_len").
Linux >= 0d87bbd39d7fd1135ab9eca672d760470f6508e8 < 730fed2ff5e259495712518e18d9f521f61972bbLinux >= 0d87bbd39d7fd1135ab9eca672d760470f6508e8 < 1f3a429c21e0e43e8b8c55d30701e91411a4df02Linux >= 0d87bbd39d7fd1135ab9eca672d760470f6508e8 < cdb767915fc9a15d88d19d52a1455f1dc3e5ddc8Linux >= 0d87bbd39d7fd1135ab9eca672d760470f6508e8 < c76f6f437c46b2390888e0e1dc7aafafa9f4e0c6Linux >= 0d87bbd39d7fd1135ab9eca672d760470f6508e8 < 4ab26bce3969f8fd925fe6f6f551e4d1a508c68bLinux 2277d7cbdf47531b2c3cd01ba15255fa955aab35Linux >= 6.0.6 < 6.1Linux 6.1Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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