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The vulnerability of the brelse() function in the Linux operating system’s kernel allows a attacker to compromise the integrity and accessibility of the protected information.

🗓️ 14 Apr 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 2 Views

Brelse() flaw in Linux kernel copies buffers without size checks, risking integrity and availability.

Related
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2-2023-1932 (ALAS-2023-1932)
8 Feb 202300:00
–nessus
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-5.15-2023-012 (ALASKERNEL-5.15-2023-012)
24 Jan 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 SP13 : kernel (EulerOS-SA-2026-1244)
10 Mar 202600:00
–nessus
Tenable Nessus		EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-1280)
10 Mar 202600:00
–nessus
Tenable Nessus		EulerOS 2.0 SP10 : kernel (EulerOS-SA-2026-1313)
16 Mar 202600:00
–nessus
Tenable Nessus		EulerOS 2.0 SP10 : kernel (EulerOS-SA-2026-1339)
16 Mar 202600:00
–nessus
Tenable Nessus		EulerOS Virtualization 2.10.1 : kernel (EulerOS-SA-2026-1537)
16 Mar 202600:00
–nessus
Tenable Nessus		EulerOS Virtualization 2.10.0 : kernel (EulerOS-SA-2026-1557)
16 Mar 202600:00
–nessus
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20 Apr 2026 00:00Current
6Medium risk
Vulners AI Score6
CVSS 35.1
CVSS 25.2
EPSS0.00239
brelse functionLinux kernelbuffer handlingsize checkdata integrityavailability
2