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Review reviewCritical

CVE-2022-48666

Linux Linux, linux_kernel, linux kernel

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fix a use-after-free There are two .exit_cmd_priv implementations. Both implementations use resources associated with the SCSI host. Make sure that these resources are still available when .exit_cmd_priv is called by waiting inside scsi_remove_host() until the tag set has been freed. This commit fixes the following use-after-free: ================================================================== BUG: KASAN: use-after-free in srp_exit_cmd_priv+0x27/0xd0 [ib_srp] Read of size 8 at addr ffff888100337000 by task mu...

CVSS
9.8
EPSS
0.78%
52.3% percentile
CISA KEV
Not listed
Published
2024.04.28
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.78%
Technical severityCVSS 9.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fix a use-after-free There are two .exit_cmd_priv implementations. Both implementations use resources associated with the SCSI host. Make sure that these resources are still available when .exit_cmd_priv is called by waiting inside scsi_remove_host() until the tag set has been freed. This commit fixes the following use-after-free: ================================================================== BUG: KASAN: use-after-free in srp_exit_cmd_priv+0x27/0xd0 [ib_srp] Read of size 8 at addr ffff888100337000 by task mu...

Affected product and versions

Product
Linux Linux, linux_kernel, linux kernel
Affected versions
>= 65ca846a53149a1a72cd8d02e7b2e73dd545b834 < 5ce8fad941233e81f2afb5b52a3fcddd3ba8732f, >= 65ca846a53149a1a72cd8d02e7b2e73dd545b834 < f818708eeeae793e12dc39f8984ed7732048a7d9, >= 65ca846a53149a1a72cd8d02e7b2e73dd545b834 < 2e7eb4c1e8af8385de22775bd0be552f59b28c9a, >= 65ca846a53149a1a72cd8d02e7b2e73dd545b834 < 8fe4ce5836e932f5766317cb651c1ff2a4cd0506, >= 5.7, >= 65ca846a5314 < 2e7eb4c1e8af, >= 5.7 < 5.19.12, 6.0
Fixed versions
5.19.12

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux_kernel, linux kernel 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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-416
CVE-2022-48666 — Linux Linux, linux_kernel, linux kernel | SECUFOCUS NOW