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CVE-2026-52969

🗓️ 25 Jun 2026 21:48:21Reported by redhat.comType 
redhatcve
 redhatcve🔗 access.redhat.com👁 11 Views

CVE-2026-52969: A local attacker with access to /dev/kvm can exploit an integer overflow in the kernel reset dirty gfn function to bypass a bounds check, causing out-of-bounds memory access and possible information disclosure or denial of service.

Related
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-52969
24 Jun 202616:28
–attackerkb
Tenable Nessus		Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1866)
22 Jun 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-1882)
22 Jun 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1894)
22 Jun 202600:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2026-107 (ALASKERNEL-5.15-2026-107)
22 Jun 202600:00
–nessus
Tenable Nessus		Debian dla-4665 : affs-modules-6.1.0-48-4kc-malta-di - security update
3 Jul 202600:00
–nessus
Tenable Nessus		Debian dla-4671 : linux-config-6.1 - security update
6 Jul 202600:00
–nessus
Tenable Nessus		Photon OS 5.0: Linux PHSA-2026-5.0-0862
6 Jun 202600:00
–nessus
Tenable Nessus		SUSE SLED15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2026:2800-1)
9 Jul 202600:00
–nessus
Tenable Nessus		SUSE SLES15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2026:3044-1)
16 Jul 202600:00
–nessus
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15 Jul 2026 01:25Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17 - 7.8
EPSS0.00152
CWE-190
linux kernelkernel virtual machineoverflow vulnerabilitydirty ring entriesinformation disclosuredenial of servicelocal attacker
11