Medium severity5.5NVD Advisory· Published Jun 24, 2026· Updated Jul 15, 2026
CVE-2026-53021
CVE-2026-53021
Description
In the Linux kernel, the following vulnerability has been resolved:
scsi: target: core: Fix integer overflow in UNMAP bounds check
sbc_execute_unmap() checks LBA + range does not exceed the device capacity, but does not guard against LBA + range wrapping around on 64-bit overflow.
Add an overflow check matching the pattern already used for WRITE_SAME in the same file.
AI Insight
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Affected products
16- osv-coords14 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-syms&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2016.0
>= 3.10.0, < 5.10.258+ 13 more
- (no CPE)range: >= 3.10.0, < 5.10.258
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-160000.36.1.160000.2.17
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-160000.36.1
Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/02115986d027ade793e7f6be87e91d6a796d0aa3nvdPatch
- git.kernel.org/stable/c/2bf2d65f76697820dbc4227d13866293576dd90anvdPatch
- git.kernel.org/stable/c/2e1ed9a7b6ea5bfefb5d80a02b1c71c7dee1f0ddnvdPatch
- git.kernel.org/stable/c/3facdecc3fcf115cc4f9b3d8f118d6705e2456a8nvdPatch
- git.kernel.org/stable/c/51075df70c46e60a9773f2dcd28299e40dac36fbnvdPatch
- git.kernel.org/stable/c/5efc3ef4758f8d98c257419fa21daca3227de61anvdPatch
- git.kernel.org/stable/c/c08ab702c4699c6efb9d60bdb15b73e7a627ee7envdPatch
- git.kernel.org/stable/c/d7aef29573c7c5cdb2dfad939253287a6329c2a4nvdPatch
News mentions
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