CVE-2026-23087
scsi: xen: scsiback: Fix potential memory leak in scsiback_remove()
Description
In the Linux kernel, the following vulnerability has been resolved: scsi: xen: scsiback: Fix potential memory leak in scsiback_remove() Memory allocated for struct vscsiblk_info in scsiback_probe() is not freed in scsiback_remove() leading to potential memory leaks on remove, as well as in the scsiback_probe() error paths. Fix that by freeing it in scsiback_remove().
INFO
Published Date :
Feb. 4, 2026, 5:16 p.m.
Last Modified :
March 17, 2026, 9:10 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Apply the patch to fix scsiback_remove() memory leak.
- Ensure allocated memory is freed in scsiback_probe() error paths.
- Free allocated memory in scsiback_remove() during removal.
Public PoC/Exploit Available at Github
CVE-2026-23087 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-23087.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-23087 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-23087
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-23087 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-23087 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 17, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-401 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.199 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.162 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.122 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.68 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.8 *cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.18 up to (excluding) 5.10.249 Added Reference Type kernel.org: https://git.kernel.org/stable/c/24c441f0e24da175d7912095663f526ac480dc4f Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/32e52b56056daf0f0881fd9254706acf25b4be97 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/427b0fb30ddec3bad05dcd73b00718f98c7026d2 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/4a975c72429b050c234405668b742cdecc11548e Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/901a5f309daba412e2a30364d7ec1492fa11c32c Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/a8bb3ec8d85951a56af0a72d93ccbc2aee42eef9 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/f86264ec0e2b102fcd49bf3e4f32fee669d482fc Types: Patch -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Feb. 06, 2026
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/427b0fb30ddec3bad05dcd73b00718f98c7026d2 Added Reference https://git.kernel.org/stable/c/4a975c72429b050c234405668b742cdecc11548e Added Reference https://git.kernel.org/stable/c/a8bb3ec8d85951a56af0a72d93ccbc2aee42eef9 -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Feb. 04, 2026
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: scsi: xen: scsiback: Fix potential memory leak in scsiback_remove() Memory allocated for struct vscsiblk_info in scsiback_probe() is not freed in scsiback_remove() leading to potential memory leaks on remove, as well as in the scsiback_probe() error paths. Fix that by freeing it in scsiback_remove(). Added Reference https://git.kernel.org/stable/c/24c441f0e24da175d7912095663f526ac480dc4f Added Reference https://git.kernel.org/stable/c/32e52b56056daf0f0881fd9254706acf25b4be97 Added Reference https://git.kernel.org/stable/c/901a5f309daba412e2a30364d7ec1492fa11c32c Added Reference https://git.kernel.org/stable/c/f86264ec0e2b102fcd49bf3e4f32fee669d482fc