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Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix NULL dereference on devlink_alloc() failure devlink_alloc() may return NULL on allocation failure, but prestera_devlink_alloc() unconditionally calls devlink_priv() on the returned pointer. This leads to a NULL pointer dereference if devlink allocation fails. Add a check for a NULL devlink pointer and return NULL early to avoid the crash.
Засегнати продукти
- Linux Linux: 34dd1710f5a3c9a7dc78e1ff6de69a19d407db25 преди 8a4333b2818f0d853b43e139936c20659366e4a0; 34dd1710f5a3c9a7dc78e1ff6de69a19d407db25 преди 325aea74be7e192b5c947c782da23b0d19a5fda2; 34dd1710f5a3c9a7dc78e1ff6de69a19d407db25 преди 94e070cd50790317fba7787ae6006934b7edcb6f; 34dd1710f5a3c9a7dc78e1ff6de69a19d407db25 преди 3950054c9512add0cc79ab7e72b6d2f9f675e25b; 34dd1710f5a3c9a7dc78e1ff6de69a19d407db25 преди 326a4b7e61d01db3507f71c8bb5e85362f607064; 34dd1710f5a3c9a7dc78e1ff6de69a19d407db25 преди a428e0da1248c353557970848994f35fd3f005e2
- Linux Linux: 5.10; преди 5.10; 5.15.198 до 5.15.*; 6.1.161 до 6.1.*; 6.6.121 до 6.6.*; 6.12.66 до 6.12.*; 6.18.6 до 6.18.*; от 6.19 нататък
Siemens: още 3 продукта, добавени от Siemens
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP, SIPLUS S7-1500 CPU 1518-4 PN/DP MFP
История
- 31 януари 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-23019
- https://nvd.nist.gov/vuln/detail/CVE-2026-23019
- https://git.kernel.org/stable/c/8a4333b2818f0d853b43e139936c20659366e4a0
- https://git.kernel.org/stable/c/325aea74be7e192b5c947c782da23b0d19a5fda2
- https://git.kernel.org/stable/c/94e070cd50790317fba7787ae6006934b7edcb6f
- https://git.kernel.org/stable/c/3950054c9512add0cc79ab7e72b6d2f9f675e25b
- https://git.kernel.org/stable/c/326a4b7e61d01db3507f71c8bb5e85362f607064
- https://git.kernel.org/stable/c/a428e0da1248c353557970848994f35fd3f005e2
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html