CVE-2023-53751
linux: In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential use-after-free bugs in TCP_S...
CVE-2023-53751 is fixed in 77 products on 1 platform, first by ALAS2023-2023-184, released May 25, 2023. It is not reported as exploited. Patch Radar priority: Urgent.
Urgent
CVSS
9.8
critical
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0042
36th percentile
In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname TCP_Server_Info::hostname may be updated once or many times during reconnect, so protect its access outside reconnect path as well and then prevent any potential use-after-free bugs.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| bpftool · RHEL 9 | 0:7.3.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| bpftool · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| bpftool · amzn 2023 | 6.1.29-47.49.amzn2023 | ALAS2023-2023-184 | May 25, 2023 |
| bpftool-debuginfo · amzn 2023 | 6.1.29-47.49.amzn2023 | ALAS2023-2023-184 | May 25, 2023 |
| kernel · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| kernel · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel · amzn 2023 | 6.1.29-47.49.amzn2023 | ALAS2023-2023-184 | May 25, 2023 |
| kernel-64k · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-64k-core · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-64k-debug · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-64k-debug-core · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-64k-debug-devel · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-64k-debug-devel-matched · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-64k-debug-modules · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-64k-debug-modules-core · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-64k-debug-modules-extra · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-64k-devel · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-64k-devel-matched · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-64k-modules · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-64k-modules-core · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-64k-modules-extra · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-abi-stablelists · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| kernel-abi-stablelists · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-abi-stablelists · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel-core · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| kernel-core · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-core · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel-cross-headers · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel-debug · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| kernel-debug · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-debug · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel-debug-core · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| kernel-debug-core · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-debug-core · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel-debug-devel · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| kernel-debug-devel · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-debug-devel · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel-debug-devel-matched · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-debug-modules · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| kernel-debug-modules · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-debug-modules · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel-debug-modules-core · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-debug-modules-extra · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| kernel-debug-modules-extra · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-debug-modules-extra · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel-debug-uki-virt · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-debuginfo · amzn 2023 | 6.1.29-47.49.amzn2023 | ALAS2023-2023-184 | May 25, 2023 |
| kernel-debuginfo-common-aarch64 · amzn 2023 | 6.1.29-47.49.amzn2023 | ALAS2023-2023-184 | May 25, 2023 |
| kernel-debuginfo-common-x86_64 · amzn 2023 | 6.1.29-47.49.amzn2023 | ALAS2023-2023-184 | May 25, 2023 |
| kernel-devel · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| kernel-devel · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-devel · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel-devel · amzn 2023 | 6.1.29-47.49.amzn2023 | ALAS2023-2023-184 | May 25, 2023 |
| kernel-devel-matched · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-doc · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| kernel-doc · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-doc · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel-headers · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel-headers · amzn 2023 | 6.1.29-47.49.amzn2023 | ALAS2023-2023-184 | May 25, 2023 |
| kernel-libbpf · amzn 2023 | 6.1.29-47.49.amzn2023 | ALAS2023-2023-184 | May 25, 2023 |
| kernel-libbpf-devel · amzn 2023 | 6.1.29-47.49.amzn2023 | ALAS2023-2023-184 | May 25, 2023 |
| kernel-libbpf-static · amzn 2023 | 6.1.29-47.49.amzn2023 | ALAS2023-2023-184 | May 25, 2023 |
| kernel-livepatch-6.1.29-47.49 · amzn 2023 | 1.0-0.amzn2023 | ALAS2023-2023-184 | May 25, 2023 |
| kernel-modules · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| kernel-modules · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-modules · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel-modules-core · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-modules-extra · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| kernel-modules-extra · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-modules-extra · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel-rt · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-rt-core · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-rt-debug · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-rt-debug-core · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-rt-debug-devel · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-rt-debug-kvm · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-rt-debug-modules · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-rt-debug-modules-core · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-rt-debug-modules-extra · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-rt-devel · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-rt-kvm · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-rt-modules · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-rt-modules-core · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-rt-modules-extra · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-tools · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| kernel-tools · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-tools · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel-tools · amzn 2023 | 6.1.29-47.49.amzn2023 | ALAS2023-2023-184 | May 25, 2023 |
| kernel-tools-debuginfo · amzn 2023 | 6.1.29-47.49.amzn2023 | ALAS2023-2023-184 | May 25, 2023 |
| kernel-tools-devel · amzn 2023 | 6.1.29-47.49.amzn2023 | ALAS2023-2023-184 | May 25, 2023 |
| kernel-tools-libs · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| kernel-tools-libs · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-tools-libs · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel-tools-libs-devel · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| kernel-tools-libs-devel · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-tools-libs-devel · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel-uki-virt · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-zfcpdump · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| kernel-zfcpdump · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-zfcpdump · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel-zfcpdump-core · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| kernel-zfcpdump-core · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-zfcpdump-core · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel-zfcpdump-devel · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| kernel-zfcpdump-devel · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-zfcpdump-devel · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel-zfcpdump-devel-matched · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-zfcpdump-modules · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| kernel-zfcpdump-modules · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-zfcpdump-modules · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| kernel-zfcpdump-modules-core · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-zfcpdump-modules-extra · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| kernel-zfcpdump-modules-extra · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| kernel-zfcpdump-modules-extra · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| libperf · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| linux · Debian 12.15 (bookworm) | 6.1.37-1 | DEBIAN-CVE-2023-53751 | Dec 8, 2025 |
| linux · Debian 13.5 (trixie) | 6.3.7-1 | DEBIAN-CVE-2023-53751 | Dec 8, 2025 |
| linux · Debian 14 | 6.3.7-1 | DEBIAN-CVE-2023-53751 | Dec 8, 2025 |
| perf · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| perf · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| perf · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| perf · amzn 2023 | 6.1.29-47.49.amzn2023 | ALAS2023-2023-184 | May 25, 2023 |
| perf-debuginfo · amzn 2023 | 6.1.29-47.49.amzn2023 | ALAS2023-2023-184 | May 25, 2023 |
| python3-perf · RHEL 8 | 0:4.18.0-553.82.1.el8_10 | RHSA-2025:19447 | Nov 3, 2025 |
| python3-perf · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| python3-perf · almalinux 8 | 4.18.0-553.82.1.el8_10 | ALSA-2025:19447 | Nov 3, 2025 |
| python3-perf · amzn 2023 | 6.1.29-47.49.amzn2023 | ALAS2023-2023-184 | May 25, 2023 |
| python3-perf-debuginfo · amzn 2023 | 6.1.29-47.49.amzn2023 | ALAS2023-2023-184 | May 25, 2023 |
| rtla · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
| rv · RHEL 9 | 0:5.14.0-427.13.1.el9_4 | RHSA-2024:2394 | Apr 30, 2024 |
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