CVE-2023-52482: x86/srso: Add SRSO mitigation for Hygon processors
First published: Thu Feb 29 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <5.15.134 | 5.15.134 |
| redhat/kernel | <6.1.56 | 6.1.56 |
| redhat/kernel | <6.5.6 | 6.5.6 |
| redhat/kernel | <6.6 | 6.6 |
| Linux Kernel | <5.10.215 | |
| Linux Kernel | >=5.11<5.15.134 | |
| Linux Kernel | >=5.16<6.1.56 | |
| Linux Kernel | >=6.2<6.5.6 | |
| Linux Kernel | =6.6-rc1 | |
| Linux Kernel | =6.6-rc2 | |
| Linux Kernel | =6.6-rc3 | |
| Debian Linux | =10.0 |
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Reference Links
- https://access.redhat.com/security/cve/CVE-2023-52482
- https://lore.kernel.org/linux-cve-announce/2024022922-CVE-2023-52482-9375@gregkh/T/#u
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2267029
- https://access.redhat.com/errata/RHSA-2024:9315
- https://bugzilla.redhat.com/show_bug.cgi?id=2267028
- 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/cf43b304b6952b549d58feabc342807b334f03d4
- https://git.kernel.org/stable/c/a5ef7d68cea1344cf524f04981c2b3f80bedbb0d
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
Frequently Asked Questions
What is the severity of CVE-2023-52482?
CVE-2023-52482 has a high severity rating due to its exploitation potential on Hygon processors.
How do I fix CVE-2023-52482?
To fix CVE-2023-52482, upgrade to the kernel versions 5.15.134, 6.1.56, 6.5.6, or 6.6 as provided by Red Hat.
What systems are affected by CVE-2023-52482?
CVE-2023-52482 affects various versions of the Linux kernel, specifically those prior to 5.15.134, 6.1.56, 6.5.6, and 6.6.
Is CVE-2023-52482 exploit-related to speculative execution?
Yes, CVE-2023-52482 relates to a speculative return stack overflow vulnerability on Hygon processors.
Are there any mitigation options for CVE-2023-52482?
Mitigation options for CVE-2023-52482 include applying the kernel patches released by the maintainers.
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