Vulnerability · Published Oct 21, 2022 · Assigned by VulDB
CVE-2022-3636Linux Kernel Ethernet mtk_ppe.c __mtk_ppe_check_skb use after free
Medium 5.5
In plain English
A medium-severity use-after-free in Kernel from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).
Official description
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 released Linux Kernel version was ever affected by this CVE.
Affected products (as reported)
Weakness: CWE-416, CWE-119 · Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
References
- VDB-211935 | Linux Kernel Ethernet mtk_ppe.c __mtk_ppe_check_skb use after free vdb-entry, technical-description
- VDB-211935 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2022-3636 | CVE Analysis and Report third-party-advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/pabeni/net-next.git/commit/?id=17a5f6a78dc7b8db385de346092d7d9f9dc24df6 patch
- https://www.kernel.org/ product
- https://vuldb.com/?id.211935 x_transferred
- DSA-5333 vendor-advisory, x_transferred