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.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel-headersUpgrade kernel-libbpfUpgrade bpftool-debuginfoUpgrade kernel-tools-debuginfoUpgrade python3-perfUpgrade perfUpgrade kernel-debuginfoUpgrade perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-develUpgrade python3-perf-debuginfoUpgrade kernel-libbpf-develUpgrade bpftoolUpgrade kernel-toolsUpgrade kernel-libbpf-staticUpgrade kernel-debuginfo-common-aarch64Upgrade kernelUpgrade kernel-livepatch-6.1.29-47.49Upgrade kernel-devel | Jan 12, 2026 | Dec 8, 2025 |
| Debian | — | Upgrade linux | Dec 9, 2025 | Dec 9, 2025 |
| Redhat_linux | — | Upgrade kernelNo solution existsUpgrade kernel-rt | Jun 17, 2026 | Dec 8, 2025 |
| Ubuntu | — | Upgrade linux-azureUpgrade linux-azure-5.15 | Dec 10, 2025 | Dec 8, 2025 |
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