hsr: Prevent use after free in prp_create_tagged_frame() (Linux Linux)

CVE-2023-52846
HIGH 8.8

At a glance

Source
NVD
EPSS
EPSS 0.34 % · percentile 28 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: hsr: Prevent use after free in prp_create_tagged_frame() The prp_fill_rct() function can fail. In that situation, it frees the skb and returns NULL. Meanwhile on the success path, it returns the original skb. So it's straight forward to fix bug by using the returned value.

Weaknesses (CWE)

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 8.8CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 8.8CVSS:3.1/AV:A/AC:L/PR:N/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 451d8123f89791bb628277c0bdb4cae34a3563e6 < ddf4e04e946aaa6c458b8b6829617cc44af2bffd ; affected 451d8123f89791bb628277c0bdb4cae34a3563e6 < a1a485e45d24b1cd8fe834fd6f1b06e2903827da ; affected 451d8123f89791bb628277c0bdb4cae34a3563e6 < 6086258bd5ea7b5c706ff62da42b8e271b2401db ; affected 451d8123f89791bb628277c0bdb4cae34a3563e6 < 1787b9f0729d318d67cf7c5a95f0c3dba9a7cc18 ; affected 451d8123f89791bb628277c0bdb4cae34a3563e6 < d103fb6726904e353b4773188ee3d3acb4078363 ; affected 451d8123f89791bb628277c0bdb4cae34a3563e6 < 876f8ab52363f649bcc74072157dfd7adfbabc0d
Linux · Linuxaffected 5.9 ; unaffected 0 < 5.9 ; unaffected 5.10.201 ≤ 5.10.* ; unaffected 5.15.139 ≤ 5.15.* ; unaffected 6.1.63 ≤ 6.1.* ; unaffected 6.5.12 ≤ 6.5.*

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