Vulnerability-Lookup

GHSA-VCWV-JW38-8HQP

Vulnerability from github – Published: 2024-03-06 09:30 – Updated: 2025-02-14 18:30

Details

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

powerpc/lib: Validate size for vector operations

Some of the fp/vmx code in sstep.c assume a certain maximum size for the instructions being emulated. The size of those operations however is determined separately in analyse_instr().

Add a check to validate the assumption on the maximum size of the operations, so as to prevent any unintended kernel stack corruption.

Severity

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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  ],
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  "id": "GHSA-vcwv-jw38-8hqp",
  "modified": "2025-02-14T18:30:45Z",
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CVE-2023-52606 (GCVE-0-2023-52606)

Vulnerability from cvelistv5 – Published: 2024-03-06 06:45 – Updated: 2026-05-11 19:30

Title

powerpc/lib: Validate size for vector operations

Summary

In the Linux kernel, the following vulnerability has been resolved: powerpc/lib: Validate size for vector operations Some of the fp/vmx code in sstep.c assume a certain maximum size for the instructions being emulated. The size of those operations however is determined separately in analyse_instr(). Add a check to validate the assumption on the maximum size of the operations, so as to prevent any unintended kernel stack corruption.

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

Assigner

Linux

References

9 references

URL	Tags
https://git.kernel.org/stable/c/42084a428a139f1a4…
https://git.kernel.org/stable/c/0580f4403ad33f379…
https://git.kernel.org/stable/c/beee482cc4c9a6b1d…
https://git.kernel.org/stable/c/de4f5ed63b8a19970…
https://git.kernel.org/stable/c/abd26515d4b767ba4…
https://git.kernel.org/stable/c/28b8ba8eebf26f66d…
https://git.kernel.org/stable/c/848e1d7fd71090039…
https://git.kernel.org/stable/c/8f9abaa6d7de0a70f…
https://lists.debian.org/debian-lts-announce/2024…	x_transferred

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: c22435a5f3d8f85ea162ae523a6ba60a58521ba5 , < 42084a428a139f1a429f597d44621e3a18f3e414 (git) Affected: c22435a5f3d8f85ea162ae523a6ba60a58521ba5 , < 0580f4403ad33f379eef865c2a6fe94de37febdf (git) Affected: c22435a5f3d8f85ea162ae523a6ba60a58521ba5 , < beee482cc4c9a6b1dcffb2e190b4fd8782258678 (git) Affected: c22435a5f3d8f85ea162ae523a6ba60a58521ba5 , < de4f5ed63b8a199704d8cdcbf810309d7eb4b36b (git) Affected: c22435a5f3d8f85ea162ae523a6ba60a58521ba5 , < abd26515d4b767ba48241eea77b28ce0872aef3e (git) Affected: c22435a5f3d8f85ea162ae523a6ba60a58521ba5 , < 28b8ba8eebf26f66d9f2df4ba550b6b3b136082c (git) Affected: c22435a5f3d8f85ea162ae523a6ba60a58521ba5 , < 848e1d7fd710900397e1d0e7584680c1c04e3afd (git) Affected: c22435a5f3d8f85ea162ae523a6ba60a58521ba5 , < 8f9abaa6d7de0a70fc68acaedce290c1f96e2e59 (git)
Linux	Linux	Affected: 4.14 Unaffected: 0 , < 4.14 (semver) Unaffected: 4.19.307 , ≤ 4.19.* (semver) Unaffected: 5.4.269 , ≤ 5.4.* (semver) Unaffected: 5.10.210 , ≤ 5.10.* (semver) Unaffected: 5.15.149 , ≤ 5.15.* (semver) Unaffected: 6.1.77 , ≤ 6.1.* (semver) Unaffected: 6.6.16 , ≤ 6.6.* (semver) Unaffected: 6.7.4 , ≤ 6.7.* (semver) Unaffected: 6.8 , ≤ * (original_commit_for_fix)

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-VCWV-JW38-8HQP

CVE-2023-52606 (GCVE-0-2023-52606)

Tags

Sightings

Nomenclature