What is CVE-2022-48858?

CVE-2022-48858 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10, classified as a Race Condition flaw (CWE-362), affecting Linux kernel versions from 5.4.71 onward and patched in 5.4.185, 5.10.106, 5.15.29 and others. CVE-2022-48858 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-48858?

CVE-2022-48858 has a CVSS score of 7.0 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2022-48858?

Yes, CVE-2022-48858 has been patched. Fixed versions include 5.4.185, 5.10.106, 5.15.29 and others. If you are running Linux kernel 5.4.71 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-48858 actively exploited?

CVE-2022-48858 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/362.html

CVE-2022-48858

High

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix a race on command flush flow Fix a refcount use after free warning due to a race on command entry. Such race occurs when one of the commands releases its last refcount and frees its index and entry while another process running command flush flow takes refcount to this command entry. The process which handles commands flush may see this command as needed to be flushed if the other process released its refcount but didn't release the index yet. Fix it by adding the needed spin lock. It fixes the following warning trace: refcount_t: addition on 0; use-after-free. WARNING: CPU: 11 PID: 540311 at lib/refcount.c:25 refcount_warn_saturate+0x80/0xe0 ... RIP: 0010:refcount_warn_saturate+0x80/0xe0 ... Call Trace: <TASK> mlx5_cmd_trigger_completions+0x293/0x340 [mlx5_core] mlx5_cmd_flush+0x3a/0xf0 [mlx5_core] enter_error_state+0x44/0x80 [mlx5_core] mlx5_fw_fatal_reporter_err_work+0x37/0xe0 [mlx5_core] process_one_work+0x1be/0x390 worker_thread+0x4d/0x3d0 ? rescuer_thread+0x350/0x350 kthread+0x141/0x160 ? set_kthread_struct+0x40/0x40 ret_from_fork+0x1f/0x30 </TASK>

Package Linux Kernel

Published 2024-07-16

Last modified 2024-11-21

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.0

out of 10

High

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-362

CVE-2022-48858 is a Race Condition vulnerability

What is Race Condition?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE

Affected versions

Linux kernel versions 5.4.71, 5.8.15, 5.9 and later are affected. Fixed in 5.4.185, 5.10.106, 5.15.29, 5.16.15, 5.17 and their respective stable series.

Affected from

≥ 5.4.71 ≥ 5.8.15 ≥ 5.9

Fixed in

✓ 5.4.185 5.4.x ✓ 5.10.106 5.10.x ✓ 5.15.29 5.15.x ✓ 5.16.15 5.16.x ✓ 5.17

References

5 total

Kernel Git
https://git.kernel.org/stable/c/0401bfb27a91d7bdd74b1635c1aae57cbb128da6

Patch
Kernel Git
https://git.kernel.org/stable/c/063bd355595428750803d8736a9bb7c8db67d42d

Patch
Kernel Git
https://git.kernel.org/stable/c/1a4017926eeea56c7540cc41b42106746ee8a0ee

Patch
Kernel Git
https://git.kernel.org/stable/c/7c519f769f555ff7d9d4ccba3497bbb589df360a

Patch
Kernel Git
https://git.kernel.org/stable/c/f3331bc17449f15832c31823f27573f4c0e13e5f

Patch

Details

CVE ID CVE-2022-48858

Severity High

CVSS score 7.0 / 10

CVSS version 3.1

Published 2024-07-16

Modified 2024-11-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-48858?

CVE-2022-48858 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10 , classified as a Race Condition flaw (CWE-362) . It affects Linux kernel versions from 5.4.71 onward and has been patched in 5.4.185, 5.10.106, 5.15.29 and others. CVE-2022-48858 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-48858?

CVE-2022-48858 has a CVSS score of 7.0 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2022-48858?

Yes. CVE-2022-48858 has been patched. Fixed versions include 5.4.185, 5.10.106, 5.15.29 and others. If you are running Linux kernel 5.4.71 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-48858 actively exploited?

No. CVE-2022-48858 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.