jbd2: fix potential use-after-free in jbd2_fc_wait_bufs (Linux Linux)

CVE-2022-50328
HIGH 7.8

At a glance

Source
NVD
EPSS
EPSS 0.16 % · percentile 5 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: jbd2: fix potential use-after-free in jbd2_fc_wait_bufs In 'jbd2_fc_wait_bufs' use 'bh' after put buffer head reference count which may lead to use-after-free. So judge buffer if uptodate before put buffer head reference count.

Weaknesses (CWE)

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 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected ff780b91efe901b8eecd8114785abae5341820ad < 1d4d16daec2a6689b6d3fbfc7d2078643adc6619 ; affected ff780b91efe901b8eecd8114785abae5341820ad < d11d2ded293976a1a0d9d9471827a44dc9e3c63f ; affected ff780b91efe901b8eecd8114785abae5341820ad < 2e6d9f381c1ed844531a577783fc352de7a44c8a ; affected ff780b91efe901b8eecd8114785abae5341820ad < effd9b3c029ecdd853a11933dcf857f5a7ca8c3d ; affected ff780b91efe901b8eecd8114785abae5341820ad < 243d1a5d505d0b0460c9af0ad56ed4a56ef0bebd
Linux · Linuxaffected 5.10 ; unaffected 0 < 5.10 ; unaffected 5.10.150 ≤ 5.10.* ; unaffected 5.15.75 ≤ 5.15.* ; unaffected 5.19.17 ≤ 5.19.* ; unaffected 6.0.3 ≤ 6.0.*

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