Medium severity5.5NVD Advisory· Published Jun 24, 2026· Updated Aug 17, 2026
CVE-2026-52972
CVE-2026-52972
Description
In the Linux kernel, the following vulnerability has been resolved:
crypto: af_alg - Cap AEAD AD length to 0x80000000
In order to prevent arithmetic overflows when checking the TX buffer size, cap the associated data length to 0x80000000.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
17- osv-coords15 versionspkg:linux/kernelpkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2016.0
>= 4.1.0, < 5.10.258+ 14 more
- (no CPE)range: >= 4.1.0, < 5.10.258
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1.160000.2.19
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 7.1.7-1.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
Patches
Vulnerability mechanics
References
12- git.kernel.org/stable/c/265ac26d1c5e17b34d497cbda1f754a1ec8552bcnvdPatch
- git.kernel.org/stable/c/97948906dc8e0ea84775e03e35b60a2063c70193nvdPatch
- git.kernel.org/stable/c/a1c5672faf8e93e38c2deac3979cc767ca5cf918nvdPatch
- git.kernel.org/stable/c/a4fe4eb580bbc7439f649a496d4cf38415a4021cnvdPatch
- git.kernel.org/stable/c/a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321dnvdPatch
- git.kernel.org/stable/c/e4c06479d7059888adf2f22bc1ebcf053bf691a2nvdPatch
- git.kernel.org/stable/c/e4c4a5074532eaaa14951994a3aad0d479aa7431nvdPatch
- git.kernel.org/stable/c/f8a5203596797f394ff3f9aa4005597a92249802nvdPatch
- access.redhat.com/security/cve/CVE-2026-52972nvdThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52972.jsonnvdThird Party Advisory
- git.kernel.org/stable/c/0b3a57d218618cb1cc78ddc9ba02c07de84b46f4nvd
News mentions
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