ata: libata-core: Fix null pointer dereference on error
If the ata_port_alloc() call in ata_host_alloc() fails,
ata_host_release() will get called.
However, the code in ata_host_release() tries to free ata_port struct
members unconditionally, which can lead to the following:
BUG: unable to handle page fault for address: 0000000000003990
PGD 0 P4D 0
Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 10 PID: 594 Comm: (udev-worker) Not tainted 6.10.0-rc5 #44
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014
RIP: 0010:ata_host_release.cold+0x2f/0x6e [libata]
Code: e4 4d 63 f4 44 89 e2 48 c7 c6 90 ad 32 c0 48 c7 c7 d0 70 33 c0 49 83 c6 0e 41
RSP: 0018:ffffc90000ebb968 EFLAGS: 00010246
RAX: 0000000000000041 RBX: ffff88810fb52e78 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88813b3218c0 RDI: ffff88813b3218c0
RBP: ffff88810fb52e40 R08: 0000000000000000 R09: 6c65725f74736f68
R10: ffffc90000ebb738 R11: 73692033203a746e R12: 0000000000000004
R13: 0000000000000000 R14: 0000000000000011 R15: 0000000000000006
FS: 00007f6cc55b9980(0000) GS:ffff88813b300000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000003990 CR3: 00000001122a2000 CR4: 0000000000750ef0
PKRU: 55555554
Call Trace:
<TASK>
? __die_body.cold+0x19/0x27
? page_fault_oops+0x15a/0x2f0
? exc_page_fault+0x7e/0x180
? asm_exc_page_fault+0x26/0x30
? ata_host_release.cold+0x2f/0x6e [libata]
? ata_host_release.cold+0x2f/0x6e [libata]
release_nodes+0x35/0xb0
devres_release_group+0x113/0x140
ata_host_alloc+0xed/0x120 [libata]
ata_host_alloc_pinfo+0x14/0xa0 [libata]
ahci_init_one+0x6c9/0xd20 [ahci]
Do not access ata_port struct members unconditionally.
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
Sign in to view the affected projects.
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-3912-1 | linux security update |
Debian DLA |
DLA-4008-1 | linux-6.1 security update |
Debian DSA |
DSA-5782-1 | linux security update |
Ubuntu USN |
USN-7088-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7088-2 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7088-3 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7088-4 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7088-5 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7089-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7089-2 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7089-3 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7089-4 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7089-5 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7089-6 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7089-7 | Linux kernel (Low Latency) vulnerabilities |
Ubuntu USN |
USN-7090-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7095-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7100-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7100-2 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7119-1 | Linux kernel (IoT) vulnerabilities |
Ubuntu USN |
USN-7123-1 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-7144-1 | Linux kernel (Intel IoTG) vulnerabilities |
Ubuntu USN |
USN-7156-1 | Linux kernel (GKE) vulnerabilities |
Ubuntu USN |
USN-7194-1 | Linux kernel (Azure) vulnerabilities |
Mon, 03 Nov 2025 22:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
Sun, 04 May 2025 10:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Thu, 12 Sep 2024 08:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 11 Sep 2024 13:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 04 Sep 2024 12:15:00 +0000
Mon, 19 Aug 2024 22:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
threat_severity
|
threat_severity
|
Thu, 08 Aug 2024 17:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Linux
Linux linux Kernel |
|
| Weaknesses | CWE-476 | |
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Linux
Linux linux Kernel |
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-05-11T20:26:10.378Z
Reserved: 2024-07-12T12:17:45.637Z
Link: CVE-2024-41098
Updated: 2025-11-03T22:00:58.128Z
Status : Modified
Published: 2024-07-29T16:15:04.837
Modified: 2025-11-03T22:17:34.173
Link: CVE-2024-41098
OpenCVE Enrichment
No data.
Debian DLA
Debian DSA
Ubuntu USN