CVE-2023-53470
MEDIUM severity · CVSS 5.5 · CWE-476
5.5CVSS MEDIUM
Summary
In the Linux kernel, the following vulnerability has been resolved: ionic: catch failure from devlink_alloc Add a check for NULL on the alloc return. If devlink_alloc() fails and we try to use devlink_priv() on the NULL return, the kernel gets very unhappy and panics. With this fix, the driver load will still fail, but at least it won't panic the kernel.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/0020c16c8af7f4bc9503a2088fb30793b6771fac ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/0020c16c8af7f4bc9503a2088fb30793b6771facPatch
- https://git.kernel.org/stable/c/0d02efe7f25158c93146e3bb827bc7bb3cd5e71aPatch
- https://git.kernel.org/stable/c/4a54903ff68ddb33b6463c94b4eb37fc584ef760Patch
- https://git.kernel.org/stable/c/5325f50de5b1433b27dda7ccff5cb7283722a3f1Patch
- https://git.kernel.org/stable/c/c177dd465f5c1e5f242cdb9258826c591c257e9aPatch