CVE-2026-23438 net: mvpp2: guard flow control update with global_tx_fc in buffer switching

🗓️ 03 Apr 2026 15:15:22Reported by GoogleType

osv🔗 osv.dev👁 1 Views

Linux mvpp2 buffer switch guards global flow control to prevent null pointer dereference when the memory resource is absent.

Reporter	Title	Published	Views	Family All 49
ATTACKERKB	CVE-2026-23438	3 Apr 202615:15	–	attackerkb
AstraLinux	Astra Linux – Vulnerability in Linux 5.10	20 May 202605:53	–	astralinux
Circl	CVE-2026-23438	5 May 202620:00	–	circl
CNNVD	Linux kernel 安全漏洞	3 Apr 202600:00	–	cnnvd
CVE	CVE-2026-23438	3 Apr 202615:15	–	cve
Cvelist	CVE-2026-23438 net: mvpp2: guard flow control update with global_tx_fc in buffer switching	3 Apr 202615:15	–	cvelist
Debian	[SECURITY] [DLA 4561-1] linux-6.1 security update	2 May 202608:40	–	debian
Debian	[SECURITY] [DSA 6238-1] linux security update	30 Apr 202620:05	–	debian
Debian	[SECURITY] [DSA 6243-1] linux security update	1 May 202619:10	–	debian
Debian CVE	CVE-2026-23438	3 Apr 202615:15	–	debiancve

Source	Link
cert-portal	www.cert-portal.siemens.com/productcert/html/ssa-019113.html
cert-portal	www.cert-portal.siemens.com/productcert/html/ssa-082556.html
git	www.git.kernel.org/stable/c/0cfcd31f98fc608dc9406bff3fee3a9dd364d014
git	www.git.kernel.org/stable/c/7bd20f4b3ef3044dc55acd5b8ef748a70d29d03f
git	www.git.kernel.org/stable/c/7df2b50cae1a76cbb90b294f3edb61e3e10bf2e9
git	www.git.kernel.org/stable/c/8a63baadf08453f66eb582fdb6dd234f72024723
git	www.git.kernel.org/stable/c/8baced53a35fc9710f80d6ca016a2c418dc3231f
git	www.git.kernel.org/stable/c/da089f74a993f846685067b14158cb41b879ff29
git	www.git.kernel.org/stable/c/ff0c54f088f7ab91dbbf47cf8244460f99122750
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23438.json

16 Jul 2026 03:31Current

6.2Medium risk

Vulners AI Score6.2

CVSS 3.15.5

EPSS0.00125