Vulnerability · Published Jul 28, 2025 · Assigned by Linux

CVE-2025-38471tls: always refresh the queue when reading sock

Critical 9.8

In plain English

A critical-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.5%top 59.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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").

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:9kernel5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-64k5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-64k-core5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-64k-debug5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-64k-debug-core5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-64k-debug-devel5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-64k-debug-modules5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-64k-devel5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-64k-devel-matched5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-64k-modules5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-64k-modules-core5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-64k-modules-extra5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:10kernel-abi-stablelists6.12.0-55.28.1.el10_0ALSA-2025:14009
AlmaLinux:9kernel-abi-stablelists5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-core5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-cross-headers5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-debug5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-debug-core5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-debug-devel5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-debug-devel-matched5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-debug-modules5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-debug-modules-core5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-debug-modules-extra5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-debug-uki-virt5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-devel5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-devel-matched5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:10kernel-doc6.12.0-55.28.1.el10_0ALSA-2025:14009
AlmaLinux:9kernel-doc5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-headers5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-modules5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-modules-core5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-modules-extra5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-64k5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-64k-core5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-64k-debug5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-64k-debug-core5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-64k-debug-devel5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-64k-debug-modules5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-64k-debug-modules-core5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-64k-debug-modules-extra5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-64k-devel5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-64k-modules5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-64k-modules-core5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-64k-modules-extra5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-core5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-debug5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-debug-core5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-debug-devel5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-debug-kvm5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-debug-modules5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-devel5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-kvm5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-modules5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-modules-core5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-rt-modules-extra5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-tools5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-tools-libs5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-tools-libs-devel5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-uki-virt5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-uki-virt-addons5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-zfcpdump5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-zfcpdump-core5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-zfcpdump-devel5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-zfcpdump-modules5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9libperf5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9perf5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9python3-perf5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9rtla5.14.0-570.35.1.el9_6ALSA-2025:13962
AlmaLinux:9rv5.14.0-570.35.1.el9_6ALSA-2025:13962
Debian:12linux6.1.147-1DEBIAN-CVE-2025-38471
Debian:13linux6.12.41-1DSA-5975-1
Debian:13linux6.12.41-1DEBIAN-CVE-2025-38471
Debian:14linux6.16.3-1DEBIAN-CVE-2025-38471
Ubuntu:24.04:LTSlinux6.8.0-100.100UBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-aws6.8.0-1046.49UBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-aws-6.146.14.0-1017.17~24.04.1USN-7879-3
Ubuntu:24.04:LTSlinux-aws-6.146.14.0-1017.17~24.04.1UBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1046.49~22.04.1UBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-azure6.8.0-1046.52UBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-azure-6.146.14.0-1017.17~24.04.1USN-7934-1
Ubuntu:24.04:LTSlinux-azure-6.146.14.0-1017.17~24.04.1UBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1051.57~22.04.1UBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-azure-fde6.8.0-1046.53UBUNTU-CVE-2025-38471
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-azure-fde-6.86.8.0-1046.53~22.04.1UBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-gcp6.8.0-1047.50UBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-gcp-6.146.14.0-1020.21~24.04.1USN-7879-4
Ubuntu:24.04:LTSlinux-gcp-6.146.14.0-1020.21~24.04.1UBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1047.50~22.04.2UBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-gke6.8.0-1043.48UBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1030.33UBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-hwe-6.146.14.0-36.36~24.04.1USN-7879-1
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-100.100~22.04.1UBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-ibm6.8.0-1044.44UBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1044.44~22.04.1UBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-100.100.1UBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-100.100.1~22.04.1UBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1046.49UBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1046.49~22.04.1UBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1046.49.1UBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1020.20UBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-oem-6.146.14.0-1016.16USN-7880-1
Ubuntu:24.04:LTSlinux-oem-6.146.14.0-1016.16UBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-oracle6.8.0-1043.44UBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-oracle-6.146.14.0-1017.17~24.04.1UBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-oracle-6.146.14.0-1017.17~24.04.1USN-7879-3
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1043.44~22.04.1UBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-raspi6.8.0-1047.51UBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-riscv-6.146.14.0-36.36.1~24.04.1UBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-100.100~22.04.1UBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2025-38471
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2025-38471
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1023.24UBUNTU-CVE-2025-38471

Affected products (as reported)

VendorProductVersions
Linux Linux 0d87bbd39d7fd1135ab9eca672d760470f6508e8 – before 730fed2ff5e259495712518e18d9f521f61972bb0d87bbd39d7fd1135ab9eca672d760470f6508e8 – before 1f3a429c21e0e43e8b8c55d30701e91411a4df020d87bbd39d7fd1135ab9eca672d760470f6508e8 – before cdb767915fc9a15d88d19d52a1455f1dc3e5ddc80d87bbd39d7fd1135ab9eca672d760470f6508e8 – before c76f6f437c46b2390888e0e1dc7aafafa9f4e0c60d87bbd39d7fd1135ab9eca672d760470f6508e8 – before 4ab26bce3969f8fd925fe6f6f551e4d1a508c68b2277d7cbdf47531b2c3cd01ba15255fa955aab356.0.6 – before 6.1
Linux Linux 6.1

References