ksmbd: fix out of bounds read in smb2_sess_setup (Linux Linux)

CVE-2023-3867
CRITICAL 9.1

At a glance

Source
NVD
EPSS
EPSS 6.06 % · percentile 93 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out of bounds read in smb2_sess_setup ksmbd does not consider the case of that smb2 session setup is in compound request. If this is the second payload of the compound, OOB read issue occurs while processing the first payload in the smb2_sess_setup().

Weaknesses (CWE)

  • CWE-125 — Out-of-bounds Read

References

Scores

VersionScoreVectorScored by
CVSS 3.1CRITICAL 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HLinux
CVSS 3.1CRITICAL 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)
CVSS 3.1HIGH 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < 676392184785ace61e939831e7ca44a03d438c3b ; affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < ef572ffa8eb44111eed2925fbb2adca78bdcbf61 ; affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < 2ba03cecb12ac7ac9e0170e251543c56832d9959 ; affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < 98422bdd4cb3ca4d08844046f6507d7ec2c2b8d8
Linux · Linuxaffected 5.15 ; unaffected 0 < 5.15 ; unaffected 5.15.145 ≤ 5.15.* ; unaffected 6.1.40 ≤ 6.1.* ; unaffected 6.4.5 ≤ 6.4.* ; unaffected 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