CVE-2024-43832

s390/uv: Don't call folio_wait_writeback() without a folio reference

HIGH 7.8

At a glance

Source
NVD
EPSS
EPSS 0.24 % · percentile 15 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: s390/uv: Don't call folio_wait_writeback() without a folio reference folio_wait_writeback() requires that no spinlocks are held and that a folio reference is held, as documented. After we dropped the PTL, the folio could get freed concurrently. So grab a temporary reference.

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 214d9bbcd3a67230b932f6cea83c078ab34d9e70 < 1a1eb2f3fc453dcd52726d13e863938561489cb7 ; affected 214d9bbcd3a67230b932f6cea83c078ab34d9e70 < 8736604ef53359a718c246087cd21dcec232d2fb ; affected 214d9bbcd3a67230b932f6cea83c078ab34d9e70 < b21aba72aadd94bdac275deab021fc84d6c72b16 ; affected 214d9bbcd3a67230b932f6cea83c078ab34d9e70 < 3f29f6537f54d74e64bac0a390fb2e26da25800d
Linux · Linuxaffected 5.7 ; unaffected 0 < 5.7 ; unaffected 6.1.103 ≤ 6.1.* ; unaffected 6.6.44 ≤ 6.6.* ; unaffected 6.10.3 ≤ 6.10.* ; unaffected 6.11 ≤ *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD