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ubuntucveUbuntu.comUB:CVE-2024-35785
HistoryMay 17, 2024 - 12:00 a.m.

CVE-2024-35785

2024-05-1700:00:00
ubuntu.com
ubuntu.com
3
linux
kernel
tee bus
device registration
bug
vulnerability
error handling
panic
fix
optee

6.5 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

10.4%

In the Linux kernel, the following vulnerability has been resolved: tee:
optee: Fix kernel panic caused by incorrect error handling The error path
while failing to register devices on the TEE bus has a bug leading to
kernel panic as follows: [ 15.398930] Unable to handle kernel paging
request at virtual address ffff07ed00626d7c [ 15.406913] Mem abort info: [
15.409722] ESR = 0x0000000096000005 [ 15.413490] EC = 0x25: DABT (current
EL), IL = 32 bits [ 15.418814] SET = 0, FnV = 0 [ 15.421878] EA = 0, S1PTW
= 0 [ 15.425031] FSC = 0x05: level 1 translation fault [ 15.429922] Data
abort info: [ 15.432813] ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000 [
15.438310] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 15.443372] GCS = 0,
Overlay = 0, DirtyBit = 0, Xs = 0 [ 15.448697] swapper pgtable: 4k pages,
48-bit VAs, pgdp=00000000d9e3e000 [ 15.455413] [ffff07ed00626d7c]
pgd=1800000bffdf9003, p4d=1800000bffdf9003, pud=0000000000000000 [
15.464146] Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Commit
7269cba53d90 (“tee: optee: Fix supplicant based device enumeration”) lead
to the introduction of this bug. So fix it appropriately.

6.5 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

10.4%

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