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kernel: ipc: limit next_id allocation to the valid ID range

🗓️ 31 Jul 2026 22:14:03Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

Kernel inter process communication id allocation flaw may allocate IDs outside the valid range, causing use after free.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB		CVE-2026-52923
24 Jun 202607:14
–attackerkb
nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1881)
22 Jun 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-1924)
16 Jul 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1968)
20 Jul 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-124 (ALASKERNEL-5.10-2026-124)
8 Jul 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2026-110 (ALASKERNEL-5.15-2026-110)
20 Jul 202600:00
–nessus
nessus
Tenable Nessus		Debian dla-4664 : ata-modules-5.10.0-43-armmp-di - security update
3 Jul 202600:00
–nessus
nessus
Tenable Nessus		Debian dla-4665 : affs-modules-6.1.0-48-4kc-malta-di - security update
3 Jul 202600:00
–nessus
nessus
Tenable Nessus		Debian dla-4671 : linux-config-6.1 - security update
6 Jul 202600:00
–nessus
nessus
Tenable Nessus		openSUSE 16: cluster-md-kmp-64kb / cluster-md-kmp-azure / cluster-md-kmp-default / etc (openSUSE-SU-2026:21388-1)
24 Jul 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.8aarch64kernel5.14.0-687.33.1.el9_8kernel-5.14.0-687.33.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lekernel5.14.0-687.33.1.el9_8kernel-5.14.0-687.33.1.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xkernel5.14.0-687.33.1.el9_8kernel-5.14.0-687.33.1.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64kernel5.14.0-687.33.1.el9_8kernel-5.14.0-687.33.1.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k5.14.0-687.33.1.el9_8kernel-64k-5.14.0-687.33.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-core5.14.0-687.33.1.el9_8kernel-64k-core-5.14.0-687.33.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug5.14.0-687.33.1.el9_8kernel-64k-debug-5.14.0-687.33.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-core5.14.0-687.33.1.el9_8kernel-64k-debug-core-5.14.0-687.33.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-debuginfo5.14.0-687.33.1.el9_8kernel-64k-debug-debuginfo-5.14.0-687.33.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-devel5.14.0-687.33.1.el9_8kernel-64k-debug-devel-5.14.0-687.33.1.el9_8.aarch64.rpm
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01 Aug 2026 02:26Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.17.8
EPSS0.00129
CWE-825
inter process communicationid allocationcheckpoint restoreuse after freememory safetykernel vulnerability
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