github - ghsa-8gpf-qj7v-hp3f

GHSA-8GPF-QJ7V-HP3F

Vulnerability from github – Published: 2024-05-01 15:30 – Updated: 2025-09-18 18:30

Details

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

ovl: relax WARN_ON in ovl_verify_area()

syzbot hit an assertion in copy up data loop which looks like it is the result of a lower file whose size is being changed underneath overlayfs.

This type of use case is documented to cause undefined behavior, so returning EIO error for the copy up makes sense, but it should not be causing a WARN_ON assertion.

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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CVE-2024-27069 (GCVE-0-2024-27069)

Vulnerability from cvelistv5 – Published: 2024-05-01 13:04 – Updated: 2025-05-04 09:03

Summary

In the Linux kernel, the following vulnerability has been resolved: ovl: relax WARN_ON in ovl_verify_area() syzbot hit an assertion in copy up data loop which looks like it is the result of a lower file whose size is being changed underneath overlayfs. This type of use case is documented to cause undefined behavior, so returning EIO error for the copy up makes sense, but it should not be causing a WARN_ON assertion.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/c3c85aefc0da1e507…
	https://git.kernel.org/stable/c/77a28aa4768730480…

Impacted products

Vendor

Product

Version

Linux

Affected: ca7ab482401cf0a7497dad05f4918dc64115538b , < c3c85aefc0da1e5074a06c682542a54ccc99bdca (git)
Affected: ca7ab482401cf0a7497dad05f4918dc64115538b , < 77a28aa476873048024ad56daf8f4f17d58ee48e (git)

Linux

Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 6.8.2 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (original_commit_for_fix)

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Sightings

Author	Source	Type	Date

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-8GPF-QJ7V-HP3F

CVE-2024-27069 (GCVE-0-2024-27069)

Tags

Sightings

Nomenclature