Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2024-42287

Severity CVSS v4.0:
Pending analysis
Type:
CWE-476 NULL Pointer Dereference
Publication date:
17/08/2024
Last modified:
10/09/2024

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> scsi: qla2xxx: Complete command early within lock<br /> <br /> A crash was observed while performing NPIV and FW reset,<br /> <br /> BUG: kernel NULL pointer dereference, address: 000000000000001c<br /> #PF: supervisor read access in kernel mode<br /> #PF: error_code(0x0000) - not-present page<br /> PGD 0 P4D 0<br /> Oops: 0000 1 PREEMPT_RT SMP NOPTI<br /> RIP: 0010:dma_direct_unmap_sg+0x51/0x1e0<br /> RSP: 0018:ffffc90026f47b88 EFLAGS: 00010246<br /> RAX: 0000000000000000 RBX: 0000000000000021 RCX: 0000000000000002<br /> RDX: 0000000000000021 RSI: 0000000000000000 RDI: ffff8881041130d0<br /> RBP: ffff8881041130d0 R08: 0000000000000000 R09: 0000000000000034<br /> R10: ffffc90026f47c48 R11: 0000000000000031 R12: 0000000000000000<br /> R13: 0000000000000000 R14: ffff8881565e4a20 R15: 0000000000000000<br /> FS: 00007f4c69ed3d00(0000) GS:ffff889faac80000(0000) knlGS:0000000000000000<br /> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033<br /> CR2: 000000000000001c CR3: 0000000288a50002 CR4: 00000000007706e0<br /> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000<br /> DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400<br /> PKRU: 55555554<br /> Call Trace:<br /> <br /> ? __die_body+0x1a/0x60<br /> ? page_fault_oops+0x16f/0x4a0<br /> ? do_user_addr_fault+0x174/0x7f0<br /> ? exc_page_fault+0x69/0x1a0<br /> ? asm_exc_page_fault+0x22/0x30<br /> ? dma_direct_unmap_sg+0x51/0x1e0<br /> ? preempt_count_sub+0x96/0xe0<br /> qla2xxx_qpair_sp_free_dma+0x29f/0x3b0 [qla2xxx]<br /> qla2xxx_qpair_sp_compl+0x60/0x80 [qla2xxx]<br /> __qla2x00_abort_all_cmds+0xa2/0x450 [qla2xxx]<br /> <br /> The command completion was done early while aborting the commands in driver<br /> unload path but outside lock to avoid the WARN_ON condition of performing<br /> dma_free_attr within the lock. However this caused race condition while<br /> command completion via multiple paths causing system crash.<br /> <br /> Hence complete the command early in unload path but within the lock to<br /> avoid race condition.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 4.70 MEDIUM
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
4.70
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.4.240 (including) 5.4.282 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.10.177 (including) 5.10.224 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.15.105 (including) 5.15.165 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.1.22 (including) 6.1.103 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.2.9 (including) 6.3 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.3 (including) 6.6.44 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.7 (including) 6.10.3 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools