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

Published 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.

Other sources

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

x86/srso: Add SRSO mitigation for Hygon processors

The Linux kernel CVE team has assigned CVE-2023-52482 to this issue.

Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024022922-CVE-2023-52482-9375@gregkh/T/#u

— Red Hat

Affected Software

13 affected componentsFixes available
Linux Linux kernel>=5.10.189<5.10.215
Linux Linux kernel>=5.15.125<5.15.134
Linux Linux kernel>=6.1.44<6.1.56
Linux Linux kernel>=6.4.9<6.5.6
Linux Linux kernel=6.6-rc1
Linux Linux kernel=6.6-rc2
Linux Linux kernel=6.6-rc3
Debian Debian Linux=10.0
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
debian/linux
6.1.176-16.1.190-16.12.107-16.12.115-27.2.12-17.2.15-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 5.15.134
  2. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 6.1.56
  3. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 6.5.6
  4. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 6.6
  5. Upgrade

    Upgrade debian/linux to a version that resolves this vulnerability.

    Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.115-2Fixed in 7.2.12-1Fixed in 7.2.15-1

Event History

Feb 29, 2024
CVE Published
via MITRE·05:43 AM
Data Sourced
via MITRE·05:43 AM
Description
Data Sourced
via NVD·06:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Data Sourced
via Red Hat·11:11 AM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2023-52482?

CVE-2023-52482 has a high severity rating due to its exploitation potential on Hygon processors.

2

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.

3

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.

4

Is CVE-2023-52482 exploit-related to speculative execution?

Yes, CVE-2023-52482 relates to a speculative return stack overflow vulnerability on Hygon processors.

5

Are there any mitigation options for CVE-2023-52482?

Mitigation options for CVE-2023-52482 include applying the kernel patches released by the maintainers.

Company

Resources

Contact

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