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: 0 PID: 87 Comm: irq/111-2-0051 Not tainted 6.12.0-rc6-06316-g7f63786ad3d1-dirty #4
[ 2.720570] Hardware name: NXP i.MX93 11X11 EVK board (DT)
[ 2.726040] pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 2.732989] pc : tcpci_irq+0x38/0x318
[ 2.736647] lr : _tcpci_irq+0x14/0x20
[ 2.740295] sp : ffff80008324bd30
[ 2.743597] x29: ffff80008324bd70 x28: ffff800080107894 x27: ffff800082198f70
[ 2.750721] x26: ffff0000050e6680 x25: ffff000004d172ac x24: ffff00000...

Classification

CVE ID: CVE-2024-57914

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 11.67% (scored less or equal to compared to others)

EPSS Date: 2025-02-17 (when was this score calculated)

References

https://git.kernel.org/stable/c/8586d6ea623e48b2bd38304bbc52b0b8228816ff
https://git.kernel.org/stable/c/862a9c0f68487fd6ced15622d9cdcec48f8b5aaa

Timeline