net: marvell: prestera: fix NULL dereference on devlink_alloc() failure
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.1%
exploitation probability
0.1%top 98% of all CVEs
observed exploitation
nono source reports it
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.
Affected products
Linux · LinuxReferences
https://cert-portal.siemens.com/productcert/html/ssa-019113.htmlhttps://git.kernel.org/stable/c/325aea74be7e192b5c947c782da23b0d19a5fda2https://git.kernel.org/stable/c/326a4b7e61d01db3507f71c8bb5e85362f607064https://git.kernel.org/stable/c/3950054c9512add0cc79ab7e72b6d2f9f675e25bhttps://git.kernel.org/stable/c/8a4333b2818f0d853b43e139936c20659366e4a0https://git.kernel.org/stable/c/94e070cd50790317fba7787ae6006934b7edcb6fhttps://git.kernel.org/stable/c/a428e0da1248c353557970848994f35fd3f005e2