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Review reviewHigh

CVE-2023-54310

Linux

In the Linux kernel, the following vulnerability has been resolved: scsi: message: mptlan: Fix use after free bug in mptlan_remove() due to race condition mptlan_probe() calls mpt_register_lan_device() which initializes the &priv->post_buckets_task workqueue. A call to mpt_lan_wake_post_buckets_task() will subsequently start the work. During driver unload in mptlan_remove() the following race may occur: CPU0 CPU1 |mpt_lan_post_receive_buckets_work() mptlan_remove() | free_netdev() | kfree(dev); | | | dev->mtu | //use Fix this by finishing the work prior to cleaning up in mptlan_remove(). [m...

CVSS
7.8
EPSS
0.14%
3.85% percentile
CISA KEV
Not listed
Published
2025.12.30
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.14%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: scsi: message: mptlan: Fix use after free bug in mptlan_remove() due to race condition mptlan_probe() calls mpt_register_lan_device() which initializes the &priv->post_buckets_task workqueue. A call to mpt_lan_wake_post_buckets_task() will subsequently start the work. During driver unload in mptlan_remove() the following race may occur: CPU0 CPU1 |mpt_lan_post_receive_buckets_work() mptlan_remove() | free_netdev() | kfree(dev); | | | dev->mtu | //use Fix this by finishing the work prior to cleaning up in mptlan_remove(). [m...

Affected product and versions

Product
Linux
Affected versions
>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 92f869693d84e813895ff4d25363744575515423, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 60c8645ad6f5b722615383d595d63b62b07a13c3, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 410e610a96c52a7b41e2ab6c9ca60868d9acecce, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 697f92f8317e538d8409a0c95d6370eb40b34c05, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < e84282efc87f2414839f6e15c31b4daa34ebaac1, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9c6da3b7f12528cd52c458b33496a098b838fcfc, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 48daa4a3015d859ee424948844ce3c12f2fe44e6, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f486893288f3e9b171b836f43853a6426515d800, >= 2.6.12
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Not available