Medium 5.5Published Feb 4, 2026

CVE-2026-23087scsi: xen: scsiback: Fix potential memory leak in scsiback_remove()

Updated under an hour ago (Oct 27, 2026, 11:20 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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().

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from d9d660f6e562a47b4065eeb7e538910b0471b988 before a8bb3ec8d85951a56af0a72d93ccbc2aee42eef9; from d9d660f6e562a47b4065eeb7e538910b0471b988 before 427b0fb30ddec3bad05dcd73b00718f98c7026d2; from d9d660f6e562a47b4065eeb7e538910b0471b988 before 4a975c72429b050c234405668b742cdecc11548e; from d9d660f6e562a47b4065eeb7e538910b0471b988 before f86264ec0e2b102fcd49bf3e4f32fee669d482fc; from d9d660f6e562a47b4065eeb7e538910b0471b988 before 32e52b56056daf0f0881fd9254706acf25b4be97; from d9d660f6e562a47b4065eeb7e538910b0471b988 before 24c441f0e24da175d7912095663f526ac480dc4f; from d9d660f6e562a47b4065eeb7e538910b0471b988 before 901a5f309daba412e2a30364d7ec1492fa11c32c	CNA record
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.6	CISA ADP
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name)	from V3.1.6	CISA ADP
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.6	CISA ADP
linux linux_kernel linux:linux_kernel	from 3.18 before 5.10.249; from 5.11 before 5.15.199; from 5.16 before 6.1.162; from 6.2 before 6.6.122; from 6.7 before 6.12.68; from 6.13 before 6.18.8; 6.19; 6.19; and 4 more ranges	NVD

References

References

https://git.kernel.org/stable/c/a8bb3ec8d85951a56af0a72d93ccbc2aee42eef9	patch
https://git.kernel.org/stable/c/427b0fb30ddec3bad05dcd73b00718f98c7026d2	patch
https://git.kernel.org/stable/c/4a975c72429b050c234405668b742cdecc11548e	patch
https://git.kernel.org/stable/c/f86264ec0e2b102fcd49bf3e4f32fee669d482fc	patch
https://git.kernel.org/stable/c/32e52b56056daf0f0881fd9254706acf25b4be97	patch
https://git.kernel.org/stable/c/24c441f0e24da175d7912095663f526ac480dc4f	patch
https://git.kernel.org/stable/c/901a5f309daba412e2a30364d7ec1492fa11c32c	patch
https://cert-portal.siemens.com/productcert/html/ssa-019113.html
https://cert-portal.siemens.com/productcert/html/ssa-457936.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.