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Fencer Vulns
high 7.5

CVE-2024-22563 json

openvswitch 2.17.8 was discovered to contain a memory leak via the function xmalloc__ in openvswitch-2.17.8/lib/util.c.

published 2024-01-19 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-20099

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

openvswitch 2.17.8 was discovered to contain a memory leak via the function xmalloc__ in openvswitch-2.17.8/lib/util.c.

Patch / fix

  • openvswitch Debian 14, Debian 13, Debian 12 2.17.2-4

debian advisories DEBIAN-CVE-2024-22563

  • openvswitch Ubuntu 20.04 LTS 2.13.8-0ubuntu1.1

ubuntu advisories UBUNTU-CVE-2024-22563

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

  • openvswitch SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE Module for Package Hub 15 SP5 +6 more 2.14.2-150400.24.20.1
  • openvswitch SLES for SAP 12 SP5, SLES 12 SP5 2.11.5-3.21.1
  • openvswitch SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE High Performance Computing 15 SP3-LTSS +1 more 2.14.2-150300.19.17.1
  • openvswitch SLE Module for Package Hub 15 SP5 2.11.5-150100.3.24.1
  • openvswitch SLES for SAP 15 SP2, SLES 15 SP2-LTSS, SLE High Performance Computing 15 SP2-LTSS 2.13.2-150200.9.31.1

suse advisories SUSE-SU-2024:0553-1SUSE-SU-2024:0544-1SUSE-SU-2024:0526-1SUSE-SU-2024:0524-1SUSE-SU-2024:0462-1

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
17 mo ago

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/openvswitch/ovs-issues/issues/315 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

Weakness
  • CWE-401 Missing Release of Memory after Effective Lifetime

References

Sources

Fencer Vulns 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.