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CVE-2024-35785

Vulnérabilité élevée dans Linux (Linux)

CVSS 7.8 · Élevée
EPSS 0.2%
Linux•Linux•Versions : <=6.1.*, <e5b5948c769aa1ebf962dddfb972f87d8f166f95, <6.6.24, 0, 6.6.7, 5.15.154, 6.8, <4b12ff5edd141926d49c9ace4791adf3a4902fe7, <bfa344afbe472a9be08f78551fa2190c1a07d7d3, <=5.10.*, <=6.6.*, 5.10.215, <bc40ded92af55760d12bec8222d4108de725dbe4, d3c4786b01aad8c377718f92d6d9b15906ee0a2a, 1c9561b438cbe61e78515fc7b16dc7fb8cf0b763, <520f79c110ff712b391b3d87fcacf03c74bc56ee, <6.1.84, <5.15.154, 7269cba53d906cf257c139d3b3a53ad272176bca, 5.15.143, <6.7, 6.1.68, 6.7.12, <95915ba4b987cf2b222b0f251280228a1ff977ac, <=*, <=5.15.*, <=6.7.*, 6.7, 01c13d8a95e0909f0081d6e3e8a891761992371b, 6.1.84, 5.10.204, <5.10.215, a953e45ebeae9a5ce342c012f7eb2a92cc8af89b, 6.6.24

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.

Gravité et risque d'exploitation

CVE-2024-35785 obtient un score CVSS de 7.8/10, soit une gravité élevée. Selon le modèle EPSS, la probabilité qu'elle soit exploitée dans les 30 prochains jours est de 0.23 %, ce qui la place devant 13.2 % des CVE référencées.

Que faire ?

  • Vérifiez si Linux (versions <=6.1.*, <e5b5948c769aa1ebf962dddfb972f87d8f166f95, <6.6.24, 0, 6.6.7, 5.15.154, 6.8, <4b12ff5edd141926d49c9ace4791adf3a4902fe7, <bfa344afbe472a9be08f78551fa2190c1a07d7d3, <=5.10.*, <=6.6.*, 5.10.215, <bc40ded92af55760d12bec8222d4108de725dbe4, d3c4786b01aad8c377718f92d6d9b15906ee0a2a, 1c9561b438cbe61e78515fc7b16dc7fb8cf0b763, <520f79c110ff712b391b3d87fcacf03c74bc56ee, <6.1.84, <5.15.154, 7269cba53d906cf257c139d3b3a53ad272176bca, 5.15.143, <6.7, 6.1.68, 6.7.12, <95915ba4b987cf2b222b0f251280228a1ff977ac, <=*, <=5.15.*, <=6.7.*, 6.7, 01c13d8a95e0909f0081d6e3e8a891761992371b, 6.1.84, 5.10.204, <5.10.215, a953e45ebeae9a5ce342c012f7eb2a92cc8af89b, 6.6.24) est présent sur votre parc.
  • Appliquez le correctif ou la version corrigée indiqués dans les références de l'éditeur.
  • À défaut de correctif, limitez l'exposition (filtrage réseau, désactivation du composant).
  • Automatisez la détection : les agents CVE Heimdall (gratuits, open source) corrèlent l'inventaire de vos serveurs avec la base CVE.

Références

Rechercher une autre CVE