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CVE-2023-3389

CVSS v3.1 7.8 (High)
78% Progress
EPSS 0.04 % (5th)
0.04% Progress
Affected Products 3
Advisories 14
Info CVSS EPSS Affected Configurations References Security Advisories Packages & Software Tools, Exploits & PoC Graph Web & Social Timeline

A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation.

Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer.

We recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59 (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable).

Weaknesses
CWE-416
Use After Free
CVE Status
PUBLISHED
CNA
Google Inc.
Published Date
2023-06-28 20:15:09
(14 months ago)
Updated Date
2023-10-26 20:28:28
(10 months ago)

Affected Products

Canonical

Debian

Linux

Configuration #1

    CPE23 From Up To
  Linux Kernel from 5.10.162 version and prior 5.10.185 version cpe:2.3:o:linux:linux_kernel >= 5.10.162 < 5.10.185
  Linux Kernel from 5.13 version and prior 6.4 version cpe:2.3:o:linux:linux_kernel >= 5.13 < 6.4

Configuration #2

    CPE23 From Up To
  Canonical Ubuntu Linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm
  Canonical Ubuntu Linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm
  Canonical Ubuntu Linux 18.04 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts
  Canonical Ubuntu Linux 20.04 cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts
  Canonical Ubuntu Linux 22.04 cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts

Configuration #3

    CPE23 From Up To
  Debian Linux 10.0 cpe:2.3:o:debian:debian_linux:10.0
  Debian Linux 11.0 cpe:2.3:o:debian:debian_linux:11.0