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CVE-2026-45924

Vulnérabilité non évaluée dans Linux (Linux)

CVSS 0.0 · Non évaluée
EPSS 0.1%
Linux•Linux•Versions : <0c578e8065c4b08d5635a4cbc0f6321df9d20f79, <=6.1.*, <=6.12.*, 6.12.78, <cf29329a13df79c198b45dfc92577638d30b56fa, 6.17, 0, 7.0, <5.15.203, <a09dc10d1353f0e92c21eae2a79af1c2b1ddcde8, 6.18.17, 6.6.103, <6.12.78, <6.6.130, <=6.6.*, <=6.19.*, ac98d54630d5b52e3f684d872f0d82c06c418ea9, 5.15.190, <8e3a3192ef78d8302916408d62813b1fddfc8972, 5.15.203, 6.12.43, <=6.18.*, <6.1.167, 1e858a7a51c7b8b009d8f246de7ceb7743b44a71, a7dddd62578c2eb6cb28b8835556a121b5157323, 6.1.167, <6.17, 6.1.149, 6.16.2, 6.19.4, 814cfdb6358d9b84fcbec9918c8f938cc096a43a, <6.16, a726fef6d7d4cfc365d3434e3916dbfe78991a33, <=*, <34d6691933682f0516259a31b39d2cebcedec0a5, 9d5012ffe14120f978ee34aef4df3d6cb026b7c4, <=5.15.*, <4c38600feb81c670edb82e49d201d3d2d00cd4c3, <f221baa80e5959a0c08a7e34abbf2a4d3cf0e1c2, 6.15.11, 6.6.130, d5fc1400a34b4ea5e8f2ce296ea12bf8c8421694

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: call ksmbd_vfs_kern_path_end_removing() on some error paths There are two places where ksmbd_vfs_kern_path_end_removing() needs to be called in order to balance what the corresponding successful call to ksmbd_vfs_kern_path_start_removing() has done, i.e. drop inode locks and put the taken references. Otherwise there might be potential deadlocks and unbalanced locks which are caught like: BUG: workqueue leaked lock or atomic: kworker/5:21/0x00000000/7596 last function: handle_ksmbd_work 2 locks held by kworker/5:21/7596: #0: ffff8881051ae448 (sb_writers#3){.+.+}-{0:0}, at: ksmbd_vfs_kern_path_locked+0x142/0x660 #1: ffff888130e966c0 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: ksmbd_vfs_kern_path_locked+0x17d/0x660 CPU: 5 PID: 7596 Comm: kworker/5:21 Not tainted 6.1.162-00456-gc29b353f383b #138 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.17.0-debian-1.17.0-1 04/01/2014 Workqueue: ksmbd-io handle_ksmbd_work Call Trace: <TASK> dump_stack_lvl+0x44/0x5b process_one_work.cold+0x57/0x5c worker_thread+0x82/0x600 kthread+0x153/0x190 ret_from_fork+0x22/0x30 </TASK> Found by Linux Verification Center (linuxtesting.org).

Gravité et risque d'exploitation

CVE-2026-45924 obtient un score CVSS de 0.0/10, soit une gravité non évaluée. Selon le modèle EPSS, la probabilité qu'elle soit exploitée dans les 30 prochains jours est de 0.13 %, ce qui la place devant 2.0 % des CVE référencées.

Que faire ?

  • Vérifiez si Linux (versions <0c578e8065c4b08d5635a4cbc0f6321df9d20f79, <=6.1.*, <=6.12.*, 6.12.78, <cf29329a13df79c198b45dfc92577638d30b56fa, 6.17, 0, 7.0, <5.15.203, <a09dc10d1353f0e92c21eae2a79af1c2b1ddcde8, 6.18.17, 6.6.103, <6.12.78, <6.6.130, <=6.6.*, <=6.19.*, ac98d54630d5b52e3f684d872f0d82c06c418ea9, 5.15.190, <8e3a3192ef78d8302916408d62813b1fddfc8972, 5.15.203, 6.12.43, <=6.18.*, <6.1.167, 1e858a7a51c7b8b009d8f246de7ceb7743b44a71, a7dddd62578c2eb6cb28b8835556a121b5157323, 6.1.167, <6.17, 6.1.149, 6.16.2, 6.19.4, 814cfdb6358d9b84fcbec9918c8f938cc096a43a, <6.16, a726fef6d7d4cfc365d3434e3916dbfe78991a33, <=*, <34d6691933682f0516259a31b39d2cebcedec0a5, 9d5012ffe14120f978ee34aef4df3d6cb026b7c4, <=5.15.*, <4c38600feb81c670edb82e49d201d3d2d00cd4c3, <f221baa80e5959a0c08a7e34abbf2a4d3cf0e1c2, 6.15.11, 6.6.130, d5fc1400a34b4ea5e8f2ce296ea12bf8c8421694) 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

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