CVE-2024-35785

tee: optee: Fix kernel panic caused by incorrect error handling

State: Published
Severity: 7.8 High
Published: May 17, 2024
Updated: Aug 5, 2026
Reserved: May 17, 2024

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	a953e45ebeae9a5ce342c012f7eb2a92cc8af89b to before bc40ded92af55760d12bec8222d4108de725dbe4Affected 01c13d8a95e0909f0081d6e3e8a891761992371b to before 4b12ff5edd141926d49c9ace4791adf3a4902fe7Affected 1c9561b438cbe61e78515fc7b16dc7fb8cf0b763 to before e5b5948c769aa1ebf962dddfb972f87d8f166f95Affected d3c4786b01aad8c377718f92d6d9b15906ee0a2a to before 520f79c110ff712b391b3d87fcacf03c74bc56eeAffected 7269cba53d906cf257c139d3b3a53ad272176bca to before bfa344afbe472a9be08f78551fa2190c1a07d7d3Affected 7269cba53d906cf257c139d3b3a53ad272176bca to before 95915ba4b987cf2b222b0f251280228a1ff977acAffected 5.10.204 to before 5.10.215Affected 5.15.143 to before 5.15.154Affected 6.1.68 to before 6.1.84Affected 6.6.7 to before 6.6.24Affected
LinuxLinux	6.7Affected before 6.7Not affected 5.10.215 through 5.10.Not affected 5.15.154 through 5.15.Not affected 6.1.84 through 6.1.Not affected 6.6.24 through 6.6.Not affected 6.7.12 through 6.7.*Not affected 6.8 and laterNot affected

Product

Versions

LinuxLinux

a953e45ebeae9a5ce342c012f7eb2a92cc8af89b to before bc40ded92af55760d12bec8222d4108de725dbe4Affected
01c13d8a95e0909f0081d6e3e8a891761992371b to before 4b12ff5edd141926d49c9ace4791adf3a4902fe7Affected
1c9561b438cbe61e78515fc7b16dc7fb8cf0b763 to before e5b5948c769aa1ebf962dddfb972f87d8f166f95Affected
d3c4786b01aad8c377718f92d6d9b15906ee0a2a to before 520f79c110ff712b391b3d87fcacf03c74bc56eeAffected
7269cba53d906cf257c139d3b3a53ad272176bca to before bfa344afbe472a9be08f78551fa2190c1a07d7d3Affected
7269cba53d906cf257c139d3b3a53ad272176bca to before 95915ba4b987cf2b222b0f251280228a1ff977acAffected
5.10.204 to before 5.10.215Affected
5.15.143 to before 5.15.154Affected
6.1.68 to before 6.1.84Affected
6.6.7 to before 6.6.24Affected

LinuxLinux

6.7Affected
before 6.7Not affected
5.10.215 through 5.10.*Not affected
5.15.154 through 5.15.*Not affected
6.1.84 through 6.1.*Not affected
6.6.24 through 6.6.*Not affected
6.7.12 through 6.7.*Not affected
6.8 and laterNot affected

References

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