Vulnerability · CVE-2026-52932
xfrm: ipcomp: Free destination pages on acomp errors
Published Jun 24, 2026 · catalog updated Aug 5, 2026 · Linux Linux
Last checked Oct 30, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2026-52932. EPSS is 0.61%. Act only if a listed version of Linux Linux is installed.
Gaps on this record
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-99164 · Unknown
- CVE-2026-99158 · Unknown
- CVE-2026-99157 · Unknown
- CVE-2026-99154 · Unknown
- CVE-2026-99123 · Unknown
- Severity
- High7.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.61%
- Remediation
- Not established
- Affected products
- vendor Linux Linux
In the Linux kernel, the following vulnerability has been resolved: xfrm: ipcomp: Free destination pages on acomp errors Move the out_free_req label up by a couple of lines so that the allocated dst SG list gets freed on error as well as success.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Linux Linuxversion unspecified
How to fix CVE-2026-52932
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
No version range is stored, so an installed version cannot be checked on this page.
Advisory
Open the bsi record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-52932. EPSS is 0.61%. Act only if a listed version of Linux Linux is installed.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.61%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Aug 5, 2026 · CVE.org
Updated
In the Linux kernel, the following vulnerability has been resolved: xfrm: ipcomp: Free destination pages on acomp errors Move the out_free_req label up by a couple of lines so that the allocated dst SG list gets freed on error as well as success.
Oct 27, 2026 · BSI CERT-Bund
Detected
CVE-2026-52932 is listed by Linux Kernel: Mehrere Schwachstellen.
Sources
- BSI CERT-BundGovernment advisoryCVE-2026-52932
Linux Kernel: Mehrere Schwachstellen
wid.cert-bund.de - CVE.orgVulnerability recordCVE-2026-52932
In the Linux kernel, the following vulnerability has been resolved: xfrm: ipcomp: Free destination pages on acomp errors Move the out_free_req label up by a couple of lines so that the allocated dst SG list gets freed on error as well as success.
cve.org - FIRST EPSSExploitation probabilityCVE-2026-52932
30-day exploitation probability 0.61%
first.org
References
Freshness
Last verified in this catalog Oct 30, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSOct 30, 2026
- CVE.orgOct 28, 2026
- BSI CERT-BundOct 27, 2026