What’s Vulnerable › Vulnerabilities

CVE-2023-52482: x86/srso: Add SRSO mitigation for Hygon processors

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-29 · updated 2026-06-17
• Weakness: CWE-787

Description

In the Linux kernel, the following vulnerability has been resolved: x86/srso: Add SRSO mitigation for Hygon processors Add mitigation for the speculative return stack overflow vulnerability which exists on Hygon processors too.

Affected products

• Debian Linux: 10.0
• Linux kernel: from 5.10.189 before 5.10.215; from 5.15.125 before 5.15.134; from 6.1.44 before 6.1.56; from 6.4.9 before 6.5.6; 6.6-rc1, 6.6-rc2, 6.6-rc3 — fixed in 5.10.215, 5.15.134, 6.1.56, 6.5.6

How to fix

Upgrade to a fixed version: Linux kernel 5.10.215, 5.15.134, 6.1.56, 6.5.6. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/6ce2f297a7168274547d0b5aea6c7c16268b8a96
• https://git.kernel.org/stable/c/a5ef7d68cea1344cf524f04981c2b3f80bedbb0d
• https://git.kernel.org/stable/c/cf43b304b6952b549d58feabc342807b334f03d4
• https://git.kernel.org/stable/c/e7ea043bc3f19473561c08565047b3f1671bf35d
• https://git.kernel.org/stable/c/f090a8b4d2e3ec6f318d6fdab243a2edc5a8cc37
• https://git.kernel.org/stable/c/6ce2f297a7168274547d0b5aea6c7c16268b8a96
• https://git.kernel.org/stable/c/a5ef7d68cea1344cf524f04981c2b3f80bedbb0d
• https://git.kernel.org/stable/c/cf43b304b6952b549d58feabc342807b334f03d4
• https://git.kernel.org/stable/c/e7ea043bc3f19473561c08565047b3f1671bf35d
• https://git.kernel.org/stable/c/f090a8b4d2e3ec6f318d6fdab243a2edc5a8cc37
• https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html

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