CVE-2022-49931

EPSS 0.15%
Veröffentlicht 01.05.2025 14:11:08
Zuletzt bearbeitet 01.10.2025 15:15:41
Quelle 416baaa9-dc9f-4396-8d5f-8c081f
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IB/hfi1: Correctly move list in sc_disable()

In the Linux kernel, the following vulnerability has been resolved:

IB/hfi1: Correctly move list in sc_disable()

Commit 13bac861952a ("IB/hfi1: Fix abba locking issue with sc_disable()")
incorrectly tries to move a list from one list head to another.  The
result is a kernel crash.

The crash is triggered when a link goes down and there are waiters for a
send to complete.  The following signature is seen:

  BUG: kernel NULL pointer dereference, address: 0000000000000030
  [...]
  Call Trace:
   sc_disable+0x1ba/0x240 [hfi1]
   pio_freeze+0x3d/0x60 [hfi1]
   handle_freeze+0x27/0x1b0 [hfi1]
   process_one_work+0x1b0/0x380
   ? process_one_work+0x380/0x380
   worker_thread+0x30/0x360
   ? process_one_work+0x380/0x380
   kthread+0xd7/0x100
   ? kthread_complete_and_exit+0x20/0x20
   ret_from_fork+0x1f/0x30

The fix is to use the correct call to move the list.

Betroffene Produkte Warnungen 0 Metriken 3 CWE 1 Referenzen 8

NVD 7 VulnDex Vulnerability Enrichment 8

Daten sind bereitgestellt durch National Vulnerability Database (NVD)

Linux ≫ Linux Kernel Version >= 5.4.157 < 5.4.224

Linux ≫ Linux Kernel Version >= 5.10.77 < 5.10.154

Linux ≫ Linux Kernel Version >= 5.14.16 < 5.15.78

Linux ≫ Linux Kernel Version >= 5.16 < 6.0.8

Linux ≫ Linux Kernel Version6.1 Updaterc1

Linux ≫ Linux Kernel Version6.1 Updaterc2

Linux ≫ Linux Kernel Version6.1 Updaterc3

VulnDex Vulnerability Enrichment

Diese Information steht angemeldeten Benutzern zur Verfügung.

Zu dieser CVE wurde keine Warnung gefunden.

EPSS Metriken
Typ	Quelle	Score	Percentile
EPSS	FIRST.org	0.15%	0.049

CVSS Metriken
Quelle	Base Score	Exploit Score	Impact Score	Vector String
nvd@nist.gov	5.5	1.8	3.6	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
134c704f-9b21-4f2e-91b3-4a467353bcc0	5.5	1.8	3.6	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H