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Fencer Intel
medium 6.2

CVE-2022-21385 json

A flaw in net_rds_alloc_sgs() in Oracle Linux kernels allows unprivileged local users to crash the machine.

published 4y ago modified 4mo ago also EUVD-2022-26609

cvss
6.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits
0
none known

Summary

A flaw in net_rds_alloc_sgs() in Oracle Linux kernels allows unprivileged local users to crash the machine. CVSS 3.1 Base Score 6.2 (Availability impacts). CVSS Vector (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Patch / fix

  • linux Debian 14, Debian 13, Debian 12 4.19.37-1

debian advisories DEBIAN-CVE-2022-21385

  • linux Ubuntu 18.04 LTS 4.15.0-60.67
  • linux-aws Ubuntu 18.04 LTS 4.15.0-1047.49
  • linux-gcp Ubuntu 16.04 LTS 4.15.0-1041.43
  • linux-hwe Ubuntu 16.04 LTS 4.15.0-60.67~16.04.1
  • linux-kvm Ubuntu 18.04 LTS 4.15.0-1043.43
  • linux-azure Ubuntu 16.04 LTS 4.15.0-1056.61
  • linux-oracle Ubuntu 16.04 LTS 4.15.0-1022.25~16.04.1
  • linux-oracle Ubuntu 18.04 LTS 4.15.0-1022.25

ubuntu advisories UBUNTU-CVE-2022-21385

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel-rt SLE Real Time 12 SP5 4.12.14-10.100.1
  • kernel-syms-rt SLE Real Time 12 SP5 4.12.14-10.100.1
  • kernel-rt_debug SLE Real Time 12 SP5 4.12.14-10.100.1
  • kernel-source-rt SLE Real Time 12 SP5 4.12.14-10.100.1
  • kernel-syms SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLES 15 SP1-BCL +3 more 4.12.14-150100.197.123.1
  • kernel-source SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLES 15 SP1-BCL +3 more 4.12.14-150100.197.123.1
  • kernel-default SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLES 15 SP1-BCL +7 more 4.12.14-150100.197.123.1
  • kernel-vanilla openSUSE Leap 15.4, openSUSE Leap 15.3 4.12.14-150100.197.123.1

suse advisories SUSE-SU-2023:0416-1SUSE-SU-2022:3422-1SUSE-SU-2022:3408-1SUSE-SU-2022:3294-1SUSE-SU-2022:3291-1SUSE-SU-2022:3282-1

Is CVE-2022-21385 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2y ago

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • git.kernel.org https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ea010070d0a7497253d5a6f919f6dd107450b31a referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Oracle Corporation Oracle Linux

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.