Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2026-72107

8.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: dm era: fix out-of-bounds memory access for non-zero start sector dm-era tracks writes in target-relative blocks, but era_map()…

Published Aug 15, 2026EPSS 0.65%

Overview

CVE-2026-72107 is a high-severity vulnerability. It was published on August 15, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

dm era: fix out-of-bounds memory access for non-zero start sector

dm-era tracks writes in target-relative blocks, but era_map() calculates

the writeset block before applying the target offset. Tables with a

non-zero start sector can therefore pass an absolute mapped-device block

to metadata_current_marked().

If the absolute block is beyond the current writeset size,

writeset_marked() tests past the end of the in-core bitset. KASAN reports

this as a vmalloc-out-of-bounds access.

Apply the target offset before calculating the era block so writeset

lookups use the target-relative block number.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/1fcb5e29dd7a5b85adb9d8b539911741d878e829Refgit.kernel.org/stable/c/7e1822f83c5a1ee7b4a19e98edde8770a10b4c71Refgit.kernel.org/stable/c/9946a7176bd8c25ddd6e5f1799c54e572ee6bf0fRefgit.kernel.org/stable/c/a868196f03c2b19418ae3d2b69e195d668a271e5Refgit.kernel.org/stable/c/bafe3e720cdac38cd7ea4eb7852a8f2dbe1bbfe6Refgit.kernel.org/stable/c/db5f9b4601f0012038e5a2628aedec2f47933380Refgit.kernel.org/stable/c/e3ffa8e492e5cdee62d916ee3e9244ccce2b73c5Refgit.kernel.org/stable/c/fe94a0b14010a3c267ff9a2508afb4f27ff1c5bf

How CyberStrike helps

Frequently asked questions

What is CVE-2026-72107?

CVE-2026-72107 is a high-severity vulnerability. It was published on August 15, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-72107?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-72107?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-72107?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-72107 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related HIGH CVEs from 2026

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999