CVE-2022-3636 — A vulnerability was identified in Linux Kernel 33fc42de33278b2b3ec6f3390512987bc
A vulnerability was identified in Linux Kernel 33fc42de33278b2b3ec6f3390512987bc29a62b7. This affects the function __mtk_ppe_check_skb of the file drivers/net/ethernet/mediatek/mtk_ppe.c of the component Ethernet Handler. Such manipulation leads to use after free. The name of the
Published
2022-10-21T11:15:09.633
Last modified
2026-07-28T18:17:19.620
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
01What is this vulnerability?
A vulnerability was identified in Linux Kernel 33fc42de33278b2b3ec6f3390512987bc29a62b7. This affects the function __mtk_ppe_check_skb of the file drivers/net/ethernet/mediatek/mtk_ppe.c of the component Ethernet Handler. Such manipulation leads to use after free. The name of the patch is 17a5f6a78dc7b8db385de346092d7d9f9dc24df6. It is best practice to apply a patch to resolve this issue. No…
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: 2022-10-21T11:15:09.633
- Last modified: 2026-07-28T18:17:19.620
09References
- git.kernel.org — https://git.kernel.org/pub/scm/linux/kernel/git/pabeni/net-next.git/commit/?id=1…
- vuldb.com — https://vuldb.com/cve/CVE-2022-3636
- vuldb.com — https://vuldb.com/vuln/211935
- vuldb.com — https://vuldb.com/vuln/211935/cti
- www.kernel.org — https://www.kernel.org/
- git.kernel.org — https://git.kernel.org/pub/scm/linux/kernel/git/pabeni/net-next.git/commit/?id=1…
- vuldb.com — https://vuldb.com/?id.211935
- www.debian.org — https://www.debian.org/security/2023/dsa-5333
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