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CVE-2026-53260

🗓️ 25 Jun 2026 09:16:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 21 Views

Linux kernel tcp reqsk queue preemption caused refcount underflow; fix wraps mod_timer and refcount_set with preempt_disable_nested.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-53260
25 Jun 202608:39
–attackerkb
bdu_fstec
BDU FSTEC
Linux Kernel reqsk_queue_hash_req Buffer Overflow DoS
4 Sep 202600:00
–bdu_fstec
cgr
Chainguard
CVE-2026-53260 vulnerabilities
16 Jul 202602:17
–cgr
circl
Circl
CVE-2026-53260
25 Jun 202610:02
–circl
cve
CVE
CVE-2026-53260
25 Jun 202608:39
–cve
cvelist
Cvelist
CVE-2026-53260 tcp: Add preempt_{disable,enable}_nested() in reqsk_queue_hash_req().
25 Jun 202608:39
–cvelist
debian
Debian
[SECURITY] [DLA 4724-1] linux-6.12 new package
7 Aug 202609:29
–debian
debian
Debian
[SECURITY] [DSA 6405-1] linux security update
31 Jul 202614:14
–debian
debiancve
Debian CVE
CVE-2026-53260
25 Jun 202608:39
–debiancve
nessus
Tenable Nessus
Debian dla-4724 : ata-modules-6.12.100+deb12-armmp-di - security update
8 Aug 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu26.04alllinux7.0.0-29.29linux_7.0.0-29.29_all.deb
Ubuntu24.04alllinux-hwe-6.170linux-hwe-6.17_0_all.deb
Ubuntu24.04alllinux-hwe-7.07.0.0-29.29~24.04.2linux-hwe-7.0_7.0.0-29.29~24.04.2_all.deb
Ubuntu26.04alllinux-aws7.0.0-1010.10linux-aws_7.0.0-1010.10_all.deb
Ubuntu26.04alllinux-azure7.0.0-1011.11linux-azure_7.0.0-1011.11_all.deb
Ubuntu26.04alllinux-azure-fde7.0.0-1010.10linux-azure-fde_7.0.0-1010.10_all.deb
Ubuntu26.04alllinux-gcp7.0.0-1010.10linux-gcp_7.0.0-1010.10_all.deb
Ubuntu26.04alllinux-gke7.0.0-1005.6linux-gke_7.0.0-1005.6_all.deb
Ubuntu26.04alllinux-ibm7.0.0-1011.11linux-ibm_7.0.0-1011.11_all.deb
Ubuntu26.04alllinux-nvidia7.0.0-1016.16linux-nvidia_7.0.0-1016.16_all.deb
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18 Oct 2026 17:08Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.19.8
EPSS0.00369
SSVC
21