// For flags

CVE-2024-42287

scsi: qla2xxx: Complete command early within lock

Severity Score

"-"
*CVSS v-

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

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

scsi: qla2xxx: Complete command early within lock

A crash was observed while performing NPIV and FW reset,

BUG: kernel NULL pointer dereference, address: 000000000000001c
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: 0000 1 PREEMPT_RT SMP NOPTI
RIP: 0010:dma_direct_unmap_sg+0x51/0x1e0
RSP: 0018:ffffc90026f47b88 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000021 RCX: 0000000000000002
RDX: 0000000000000021 RSI: 0000000000000000 RDI: ffff8881041130d0
RBP: ffff8881041130d0 R08: 0000000000000000 R09: 0000000000000034
R10: ffffc90026f47c48 R11: 0000000000000031 R12: 0000000000000000
R13: 0000000000000000 R14: ffff8881565e4a20 R15: 0000000000000000
FS: 00007f4c69ed3d00(0000) GS:ffff889faac80000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000001c CR3: 0000000288a50002 CR4: 00000000007706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
<TASK>
? __die_body+0x1a/0x60
? page_fault_oops+0x16f/0x4a0
? do_user_addr_fault+0x174/0x7f0
? exc_page_fault+0x69/0x1a0
? asm_exc_page_fault+0x22/0x30
? dma_direct_unmap_sg+0x51/0x1e0
? preempt_count_sub+0x96/0xe0
qla2xxx_qpair_sp_free_dma+0x29f/0x3b0 [qla2xxx]
qla2xxx_qpair_sp_compl+0x60/0x80 [qla2xxx]
__qla2x00_abort_all_cmds+0xa2/0x450 [qla2xxx]

The command completion was done early while aborting the commands in driver
unload path but outside lock to avoid the WARN_ON condition of performing
dma_free_attr within the lock. However this caused race condition while
command completion via multiple paths causing system crash.

Hence complete the command early in unload path but within the lock to
avoid race condition.

*Credits: N/A
CVSS Scores
Attack Vector
-
Attack Complexity
-
Privileges Required
-
User Interaction
-
Scope
-
Confidentiality
-
Integrity
-
Availability
-
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-07-30 CVE Reserved
  • 2024-08-17 CVE Published
  • 2024-09-11 EPSS Updated
  • 2024-11-05 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.4.240 < 5.4.282
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.4.240 < 5.4.282"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.10.177 < 5.10.224
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.10.177 < 5.10.224"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.15.105 < 5.15.165
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.15.105 < 5.15.165"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 6.1.22 < 6.1.103
Search vendor "Linux" for product "Linux Kernel" and version " >= 6.1.22 < 6.1.103"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 6.3 < 6.6.44
Search vendor "Linux" for product "Linux Kernel" and version " >= 6.3 < 6.6.44"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 6.3 < 6.10.3
Search vendor "Linux" for product "Linux Kernel" and version " >= 6.3 < 6.10.3"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 6.3 < 6.11
Search vendor "Linux" for product "Linux Kernel" and version " >= 6.3 < 6.11"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
6.2.9
Search vendor "Linux" for product "Linux Kernel" and version "6.2.9"
en
Affected