CVE-2024-53227

High

In the Linux kernel, the following vulnerability has been resolved: scsi: bfa: Fix use-after-free in bfad_im_module_exit() BUG: KASAN: slab-use-after-free in __lock_acquire+0x2aca/0x3a20 Read of size 8 at addr ffff8881082d80c8 by task modprobe/25303 Call Trace: <TASK> dump_stack_lvl+0x95/0xe0 print_report+0xcb/0x620 kasan_report+0xbd/0xf0 __lock_acquire+0x2aca/0x3a20 lock_acquire+0x19b/0x520 _raw_spin_lock+0x2b/0x40 attribute_container_unregister+0x30/0x160 fc_release_transport+0x19/0x90 [scsi_transport_fc] bfad_im_module_exit+0x23/0x60 [bfa] bfad_init+0xdb/0xff0 [bfa] do_one_initcall+0xdc/0x550 do_init_module+0x22d/0x6b0 load_module+0x4e96/0x5ff0 init_module_from_file+0xcd/0x130 idempotent_init_module+0x330/0x620 __x64_sys_finit_module+0xb3/0x110 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f </TASK> Allocated by task 25303: kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_kmalloc+0x7f/0x90 fc_attach_transport+0x4f/0x4740 [scsi_transport_fc] bfad_im_module_init+0x17/0x80 [bfa] bfad_init+0x23/0xff0 [bfa] do_one_initcall+0xdc/0x550 do_init_module+0x22d/0x6b0 load_module+0x4e96/0x5ff0 init_module_from_file+0xcd/0x130 idempotent_init_module+0x330/0x620 __x64_sys_finit_module+0xb3/0x110 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 25303: kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 kasan_save_free_info+0x3b/0x60 __kasan_slab_free+0x38/0x50 kfree+0x212/0x480 bfad_im_module_init+0x7e/0x80 [bfa] bfad_init+0x23/0xff0 [bfa] do_one_initcall+0xdc/0x550 do_init_module+0x22d/0x6b0 load_module+0x4e96/0x5ff0 init_module_from_file+0xcd/0x130 idempotent_init_module+0x330/0x620 __x64_sys_finit_module+0xb3/0x110 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f Above issue happens as follows: bfad_init error = bfad_im_module_init() fc_release_transport(bfad_im_scsi_transport_template); if (error) goto ext; ext: bfad_im_module_exit(); fc_release_transport(bfad_im_scsi_transport_template); --> Trigger double release Don't call bfad_im_module_exit() if bfad_im_module_init() failed.

Package Linux Kernel
Published 2024-12-27
Last modified 2025-11-03
CVSS version 3.1
Patch available
Yes

CVSS 3.1 score

7.8

out of 10
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-416

CVE-2024-53227 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

Affected versions

Linux kernel versions 2.6.32 and later are affected. Fixed in 4.19.325, 5.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.64, 6.11.11, 6.12.2, 6.13 and their respective stable series.

Affected from
≥ 2.6.32
Fixed in
✓ 4.19.325 4.19.x ✓ 5.4.287 5.4.x ✓ 5.10.231 5.10.x ✓ 5.15.174 5.15.x ✓ 6.1.120 6.1.x ✓ 6.6.64 6.6.x ✓ 6.11.11 6.11.x ✓ 6.12.2 6.12.x ✓ 6.13

References

The following references provide additional information about CVE-2024-53227 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

9 patch commits total View all on NVD

Frequently asked questions

  • What is CVE-2024-53227?

    CVE-2024-53227 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Use After Free flaw (CWE-416) . It affects Linux kernel versions from 2.6.32 onward and has been patched in 4.19.325, 5.4.287, 5.10.231 and others. CVE-2024-53227 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2024-53227?

    CVE-2024-53227 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H .

  • Is there a patch available for CVE-2024-53227?

    Yes — CVE-2024-53227 has been patched. Fixed versions include 4.19.325, 5.4.287, 5.10.231 and others. If you are running Linux kernel 2.6.32 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2024-53227 actively exploited?

    No — CVE-2024-53227 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

  • What is Use After Free (CWE-416)?

    The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. View CWE-416 on MITRE CWE →

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