CVE-2025-38471

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").
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
UNKNOWN
---
LinuxCNA
---
---
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 5%
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
not-affected
bullseye (security)
5.10.237-1
fixed
bookworm
6.1.148-1
fixed
bookworm (security)
6.1.147-1
fixed
trixie
6.12.43-1
fixed
trixie (security)
6.12.41-1
fixed
forky
6.16.3-1
fixed
sid
6.16.7-1
fixed
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xenial
dne
trusty
dne
linux-oem-5.17
plucky
dne
noble
dne
jammy
ignored
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-6.0
plucky
dne
noble
dne
jammy
ignored
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-6.1
plucky
dne
noble
dne
jammy
ignored
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-6.5
plucky
dne
noble
dne
jammy
ignored
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-6.8
plucky
dne
noble
ignored
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-6.11
plucky
dne
noble
needed
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-6.14
plucky
dne
noble
needed
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-raspi2
plucky
dne
noble
dne
jammy
dne
focal
ignored
bionic
ignored
xenial
ignored
trusty
dne
linux-raspi-5.4
plucky
dne
noble
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-raspi-realtime
plucky
dne
noble
needed
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-riscv
plucky
needed
noble
ignored
jammy
ignored
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-riscv-5.8
plucky
dne
noble
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-riscv-5.11
plucky
dne
noble
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-riscv-5.15
plucky
dne
noble
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-riscv-5.19
plucky
dne
noble
dne
jammy
ignored
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-riscv-6.5
plucky
dne
noble
dne
jammy
ignored
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-riscv-6.8
plucky
dne
noble
dne
jammy
needed
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-riscv-6.14
plucky
dne
noble
needed
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-starfive-5.19
plucky
dne
noble
dne
jammy
ignored
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-starfive-6.2
plucky
dne
noble
dne
jammy
ignored
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-starfive-6.5
plucky
dne
noble
dne
jammy
ignored
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-xilinx-zynqmp
plucky
dne
noble
dne
jammy
not-affected
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux
plucky
needed
noble
needed
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
linux-aws
plucky
needed
noble
needed
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
linux-oracle
plucky
needed
noble
needed
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-raspi
plucky
needed
noble
needed
jammy
not-affected
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-realtime
plucky
needed
noble
needed
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-intel
plucky
dne
noble
ignored
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-nvidia-6.11
plucky
dne
noble
needed
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-realtime-6.14
plucky
dne
noble
needed
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-realtime-6.8
plucky
dne
noble
dne
jammy
needed
focal
dne
bionic
dne
xenial
dne
trusty
dne