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The vulnerability of the iso_conn_free() function in the Linux operating system allows a hacker to trigger a service failure.

🗓️ 08 Dec 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 8 Views

The iso_conn_free() vulnerability in the Linux kernel allows use-after-free exploits that cause service failure.

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Detection
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ReporterTitlePublishedViews
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AlmaLinux 9 : kernel (ALSA-2026:2212)
12 Feb 202600:00
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AlmaLinux 10 : kernel (ALSA-2026:2721)
26 Feb 202600:00
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Rocky Linux 10.1 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (crlsa-2026_2721)
1 Oct 202600:00
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Rocky Linux 9.2 [CIQ] Security Update: bpftool / kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ciqsa-2026_1192)
1 Oct 202600:00
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Rocky Linux 9.2 [CIQ] Security Update: bpftool-debuginfo Multiple Vulnerabilities (ciqsa-2026_1273)
1 Oct 202600:00
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Rocky Linux 9.4 [CIQ] Security Update: bpftool / kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ciqsa-2026_1184)
1 Oct 202600:00
–nessus
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Rocky Linux 9.4 [CIQ] Security Update: bpftool-debuginfo Multiple Vulnerabilities (ciqsa-2026_1295)
1 Oct 202600:00
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Rocky Linux 9.6 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ciqsa-2026_1202)
1 Oct 202600:00
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Rocky Linux 9 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (crlsa-2026_2212)
1 Oct 202600:00
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Debian dla-4379 : linux-config-6.1 - security update
25 Nov 202500:00
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26 May 2026 00:00Current
7.4High risk
Vulners AI Score7.4
CVSS 26.4
CVSS 37.3
EPSS0.00302
8