CVE-2022-3636
published 2022-10-21CVE-2022-3636: A vulnerability was identified in Linux Kernel 33fc42de33278b2b3ec6f3390512987bc29a62b7. This affects the function __mtk_ppe_check_skb of the file…
PriorityP339high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.34%
27.2th percentile
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
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | linux | — | — |
| linux | kernel | — | — |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv4.05.1MEDIUMCVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
nvdv2.04.9MEDIUMAV:A/AC:M/Au:S/C:P/I:P/A:P
osv7.8HIGH
vendor_debian5.5LOW
vendor_redhat5.5MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
VulDB
Linux Kernel Ethernet mtk_ppe.c __mtk_ppe_check_skb use after free (EUVD-2022-42996 / Nessus ID 246893)
vuldb·2026-07-18·CVSS 7.8
CVE-2022-3636 [HIGH] Linux Kernel Ethernet mtk_ppe.c __mtk_ppe_check_skb use after free (EUVD-2022-42996 / Nessus ID 246893)
A vulnerability, which was classified as critical, was found in Linux Kernel. 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.
This vulnerability is traded as CVE-2022-3636. Access to the local network is required for this attack to succeed. There is no exploit available.
It is best practice to apply a patch to resolve this issue.
GHSA
GHSA-wp33-7frp-g7vg: A vulnerability, which was classified as critical, was found in Linux Kernel
ghsa_unreviewed·2022-10-21
CVE-2022-3636 [HIGH] CWE-119 GHSA-wp33-7frp-g7vg: A vulnerability, which was classified as critical, was found in Linux Kernel
A vulnerability, which was classified as critical, was found in Linux Kernel. This affects the function __mtk_ppe_check_skb of the file drivers/net/ethernet/mediatek/mtk_ppe.c of the component Ethernet Handler. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211935.
OSV
CVE-2022-3636: A vulnerability, which was classified as critical, was found in Linux Kernel
osv·2022-10-21·CVSS 7.8
CVE-2022-3636 [HIGH] CVE-2022-3636: A vulnerability, which was classified as critical, was found in Linux Kernel
A vulnerability, which was classified as critical, was found in Linux Kernel. This affects the function __mtk_ppe_check_skb of the file drivers/net/ethernet/mediatek/mtk_ppe.c of the component Ethernet Handler. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211935.
Red Hat
Kernel: A use after free in __mtk_ppe_check_skb in drivers/net/ethernet/mediatek/mtk_ppe.c
vendor_redhat·2022-04-12·CVSS 5.5
CVE-2022-3636 [MEDIUM] CWE-416 Kernel: A use after free in __mtk_ppe_check_skb in drivers/net/ethernet/mediatek/mtk_ppe.c
Kernel: A use after free in __mtk_ppe_check_skb in drivers/net/ethernet/mediatek/mtk_ppe.c
A vulnerability, which was classified as critical, was found in Linux Kernel. This affects the function __mtk_ppe_check_skb of the file drivers/net/ethernet/mediatek/mtk_ppe.c of the component Ethernet Handler. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211935.
A vulnerability was found in Linux Kernel. This affects the __mtk_ppe_check_skb function in the drivers/net/ethernet/mediatek/mtk_ppe.c file in the Ethernet Handler component. This manipulation can lead to use after free issue.
Statement: No shipped kernel versions were seen affected by this problem; These files are not built in our s
Debian
CVE-2022-3636: linux - A vulnerability, which was classified as critical, was found in Linux Kernel. Th...
vendor_debian·2022·CVSS 5.5
CVE-2022-3636 [MEDIUM] CVE-2022-3636: linux - A vulnerability, which was classified as critical, was found in Linux Kernel. Th...
A vulnerability, which was classified as critical, was found in Linux Kernel. This affects the function __mtk_ppe_check_skb of the file drivers/net/ethernet/mediatek/mtk_ppe.c of the component Ethernet Handler. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211935.
Scope: local
bookworm: resolved
bullseye: resolved
forky: resolved
sid: resolved
trixie: resolved
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://git.kernel.org/pub/scm/linux/kernel/git/pabeni/net-next.git/commit/?id=17a5f6a78dc7b8db385de346092d7d9f9dc24df6https://vuldb.com/cve/CVE-2022-3636https://vuldb.com/vuln/211935https://vuldb.com/vuln/211935/ctihttps://www.kernel.org/https://git.kernel.org/pub/scm/linux/kernel/git/pabeni/net-next.git/commit/?id=17a5f6a78dc7b8db385de346092d7d9f9dc24df6https://vuldb.com/?id.211935https://www.debian.org/security/2023/dsa-5333
2022-10-21
Published