CVE-2024-57914

Technical Description

In the Linux kernel, the following vulnerability has been resolved:

usb: typec: tcpci: fix NULL pointer issue on shared irq case

The tcpci_irq() may meet below NULL pointer dereference issue:

[ 2.641851] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000010

[ 2.641951] status 0x1, 0x37f

[ 2.650659] Mem abort info:

[ 2.656490] ESR = 0x0000000096000004

[ 2.660230] EC = 0x25: DABT (current EL), IL = 32 bits

[ 2.665532] SET = 0, FnV = 0

[ 2.668579] EA = 0, S1PTW = 0

[ 2.671715] FSC = 0x04: level 0 translation fault

[ 2.676584] Data abort info:

[ 2.679459] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000

[ 2.684936] CM = 0, WnR = 0, TnD = 0, TagAccess = 0

[ 2.689980] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0

[ 2.695284] [0000000000000010] user address but active_mm is swapper

[ 2.701632] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP

[ 2.707883] Modules linked in:

[ 2.710936] CPU: 1 UID:

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

References