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CVE-2026-89637: Undefined Security Weakness

🗓️ 11 Sep 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 2 Views

UAF and buffer leak in Linux kernel smb client cifs_check_trans2() via malformed T2.

Related
Refs
ReporterTitlePublishedViews
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Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-3183)
12 Oct 202600:00
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Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-3187)
12 Oct 202600:00
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Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-3193)
12 Oct 202600:00
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Amazon Linux 2 : kernel (ALASKERNEL-5.10-2026-135)
17 Oct 202600:00
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AlmaLinux 9.2 [TuxCare] Security Update: bpftool / kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1792243434)
17 Oct 202600:00
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AlmaLinux 9.6 [TuxCare] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1792445930)
21 Oct 202600:00
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CentOS Linux 7 [TuxCare] Security Update: bpftool / kernel / kernel-debug / kernel-debug-devel / kernel-devel / etc Multiple Vulnerabilities (CENTOS7:CLSA-2026:1792234299)
21 Oct 202600:00
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CentOS Linux 8.4 [TuxCare] Security Update: bpftool / kernel / kernel-core / kernel-cross-headers / etc Multiple Vulnerabilities (CENTOS8.4:CLSA-2026:1792749577)
23 Oct 202600:00
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Rocky Linux 9.6 [TuxCare] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1792445930)
21 Oct 202600:00
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Linux Distros Unpatched Vulnerability : CVE-2026-89637
12 Sep 202600:00
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13 Sep 2026 00:00Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.19.8
EPSS0.00597
2