CVE-2024-35785: tee: optee: Fix kernel panic caused by incorrect error handling
First published: Fri May 17 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 6.1.106-3 6.1.99-1 6.10.6-1 6.10.9-1 |
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Reference Links
- https://git.kernel.org/stable/c/4b12ff5edd141926d49c9ace4791adf3a4902fe7
- https://git.kernel.org/stable/c/520f79c110ff712b391b3d87fcacf03c74bc56ee
- https://git.kernel.org/stable/c/95915ba4b987cf2b222b0f251280228a1ff977ac
- https://git.kernel.org/stable/c/bc40ded92af55760d12bec8222d4108de725dbe4
- https://git.kernel.org/stable/c/bfa344afbe472a9be08f78551fa2190c1a07d7d3
- https://git.kernel.org/stable/c/e5b5948c769aa1ebf962dddfb972f87d8f166f95
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://launchpad.net/bugs/cve/CVE-2024-35785
- https://git.kernel.org/linus/95915ba4b987cf2b222b0f251280228a1ff977ac
- https://security-tracker.debian.org/tracker/CVE-2024-35785
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-35785
- https://nvd.nist.gov/vuln/detail/CVE-2024-35785
- https://ubuntu.com/security/CVE-2024-35785
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