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Review reviewHigh

CVE-2024-35785

Linux Linux, linux kernel, debian linux

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: [...

CVSS
7.1
EPSS
0.23%
14.1% percentile
CISA KEV
Not listed
Published
2024.05.17
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.23%
Technical severityCVSS 7.1

Vulnerability overview

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: [...

Affected product and versions

Product
Linux Linux, linux kernel, debian linux
Affected versions
>= a953e45ebeae9a5ce342c012f7eb2a92cc8af89b < bc40ded92af55760d12bec8222d4108de725dbe4, >= 01c13d8a95e0909f0081d6e3e8a891761992371b < 4b12ff5edd141926d49c9ace4791adf3a4902fe7, >= 1c9561b438cbe61e78515fc7b16dc7fb8cf0b763 < e5b5948c769aa1ebf962dddfb972f87d8f166f95, >= d3c4786b01aad8c377718f92d6d9b15906ee0a2a < 520f79c110ff712b391b3d87fcacf03c74bc56ee, >= 7269cba53d906cf257c139d3b3a53ad272176bca < bfa344afbe472a9be08f78551fa2190c1a07d7d3, >= 7269cba53d906cf257c139d3b3a53ad272176bca < 95915ba4b987cf2b222b0f251280228a1ff977ac, >= 5.10.204 < 5.10.215, >= 5.15.143 < 5.15.154, >= 6.1.68 < 6.1.84, >= 6.6.7 < 6.6.24, >= 6.7, >= 6.7.1 < 6.7.12, 6.7, 6.8, 10.0
Fixed versions
5.10.215, 5.15.154, 6.1.84, 6.6.24, 6.7.12

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel, debian linux and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE
CWE-754