io_uring/rw: split io_read() into a helper (Linux Linux)

CVE-2023-52926
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: IORING_OP_READ did not correctly consume the provided buffer list when read i/o returned < 0 (except for -EAGAIN and -EIOCBQUEUED return). This can lead to a potential use-after-free when the completion via io_rw_done runs at separate context.

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:HCISA-ADP
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 2b188cc1bb857a9d4701ae59aa7768b5124e262e < 72060434a14caea20925e492310d6e680e3f9007 ; affected 2b188cc1bb857a9d4701ae59aa7768b5124e262e < 6c27fc6a783c8a77c756dd5461b15e465020d075 ; affected 2b188cc1bb857a9d4701ae59aa7768b5124e262e < a08d195b586a217d76b42062f88f375a3eedda4d
Linux · Linuxaffected 5.1 ; unaffected 0 < 5.1 ; unaffected 6.1.122 ≤ 6.1.* ; unaffected 6.6.68 ≤ 6.6.* ; unaffected 6.7 ≤ *

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