What’s Vulnerable › Vulnerabilities

CVE-2026-43078: crypto: af_alg - Fix page reassignment overflow in af_alg_pull_tsgl

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-06 · updated 2026-10-19
• Weakness: CWE-787

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - Fix page reassignment overflow in af_alg_pull_tsgl When page reassignment was added to af_alg_pull_tsgl the original loop wasn't updated so it may try to reassign one more page than necessary. Add the check to the reassignment so that this does not happen. Also update the comment which still refers to the obsolete offset argument.

Affected products

• Linux kernel: from 4.14.1 before 5.10.254; from 5.11 before 5.15.204; from 5.16 before 6.1.170; from 6.2 before 6.6.137; from 6.7 before 6.12.85; from 6.13 before 6.18.24 — fixed in 5.10.254, 5.15.204, 6.1.170, 6.12.85, 6.18.24, 6.19.14

How to fix

Upgrade to a fixed version: Linux kernel 5.10.254, 5.15.204, 6.1.170, 6.12.85. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/2b781d1d4f933990318bcc5c68fb75a717379e42
• https://git.kernel.org/stable/c/31d00156e50ecad37f2cb6cbf04aaa9a260505ef
• https://git.kernel.org/stable/c/710a4ce5d7afd9fe082c75dec282ab4a11c0fe71
• https://git.kernel.org/stable/c/9532501e0f1b200ea80baa0e33e0b06da10bb271
• https://git.kernel.org/stable/c/c8369a6d62f5abde9cbd4b62c45bf4b996be2468
• https://git.kernel.org/stable/c/dea5fcf085f977b6c2de1b2d4ec4767b6c840d1f
• https://git.kernel.org/stable/c/f7826bc0b39928a4a22f6b815dd9940b22a63503
• https://git.kernel.org/stable/c/fa48d3ea9cdbfb28c1fd6756c6c5cd01351aa51e

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