CVE-2022-3633 — A vulnerability classified as problematic has been found in Linux Kernel

A vulnerability classified as problematic has been found in Linux Kernel. Affected is the function j1939_session_destroy of the file net/can/j1939/transport.c. The manipulation leads to memory leak. It is recommended to apply a patch to fix this issue. The identifier of this vuln

01What is this vulnerability?

A vulnerability classified as problematic has been found in Linux Kernel. Affected is the function j1939_session_destroy of the file net/can/j1939/transport.c. The manipulation leads to memory leak. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211932.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-10-21T11:15:09.473
• Last modified: 2026-10-14T14:17:26.860

09References

• git.kernel.org — https://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next.git/commit/?…
• vuldb.com — https://vuldb.com/?ctiid.211932
• vuldb.com — https://vuldb.com/?id.211932
• git.kernel.org — https://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next.git/commit/?…
• vuldb.com — https://vuldb.com/?ctiid.211932
• vuldb.com — https://vuldb.com/?id.211932
• cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/html/ssa-794697.html