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kernel: cifs: fix oops during encryption

🗓️ 12 Feb 2026 15:15:16Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

Kernel cifs encryption bug: out-of-bounds access from vmalloc-backed stack buffer into crypto code causes page fault and kernel oops.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2023-026 (ALASKERNEL-5.10-2023-026)
8 Feb 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2023-013 (ALASKERNEL-5.15-2023-013)
8 Feb 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2023-042 (ALASKERNEL-5.4-2023-042)
23 Feb 202300:00
–nessus
Tenable Nessus		EulerOS 2.0 SP10 : kernel (EulerOS-SA-2026-1029)
15 Jan 202600:00
–nessus
Tenable Nessus		EulerOS Virtualization 2.10.0 : kernel (EulerOS-SA-2026-1172)
31 Jan 202600:00
–nessus
Tenable Nessus		EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-1212)
2 Feb 202600:00
–nessus
Tenable Nessus		EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-1224)
2 Feb 202600:00
–nessus
Tenable Nessus		EulerOS Virtualization 2.13.0 : kernel (EulerOS-SA-2026-1629)
18 Mar 202600:00
–nessus
Tenable Nessus		EulerOS Virtualization 2.13.1 : kernel (EulerOS-SA-2026-1637)
18 Mar 202600:00
–nessus
Tenable Nessus		Photon OS 4.0: Linux PHSA-2021-4.0-0065
22 Jul 202100:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.2x86_64bpftool4.18.0-193.185.1.el8_2bpftool-4.18.0-193.185.1.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64bpftool-debuginfo4.18.0-193.185.1.el8_2bpftool-debuginfo-4.18.0-193.185.1.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64kernel4.18.0-193.185.1.el8_2kernel-4.18.0-193.185.1.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2noarchkernel-abi-whitelists4.18.0-193.185.1.el8_2kernel-abi-whitelists-4.18.0-193.185.1.el8_2.noarch.rpm
Red Hat Enterprise Linux8.2x86_64kernel-core4.18.0-193.185.1.el8_2kernel-core-4.18.0-193.185.1.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64kernel-debug4.18.0-193.185.1.el8_2kernel-debug-4.18.0-193.185.1.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64kernel-debug-core4.18.0-193.185.1.el8_2kernel-debug-core-4.18.0-193.185.1.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64kernel-debug-debuginfo4.18.0-193.185.1.el8_2kernel-debug-debuginfo-4.18.0-193.185.1.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64kernel-debug-devel4.18.0-193.185.1.el8_2kernel-debug-devel-4.18.0-193.185.1.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64kernel-debug-modules4.18.0-193.185.1.el8_2kernel-debug-modules-4.18.0-193.185.1.el8_2.x86_64.rpm
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30 Jun 2026 03:33Current
7.5High risk
Vulners AI Score7.5
CVSS 3.15.5
EPSS0.00096
SSVC
CWE-119
server message blockencryption bugmemory safetycross page write
5