scsi: target: iblock: Fix wrong PR ops NULL check for PREEMPT/RELEASE
In the Linux kernel, the following vulnerability has been resolved: scsi: target: iblock: Fix wrong PR ops NULL check for PREEMPT/RELEASE In the iblock_execute_pr_out() function, PRO_PREEMPT, PRO_PREEMPT_AND_ABORT, and PRO_RELEASE all perform callback capability checks through ops->pr_clear. The error check allows unimplemented hooks to pass through the gate, resulting dereferencing a NULL function pointer. Check whether the hooks that need to be called are supported.
CVE-2026-80691
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-80691
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "394f811848827ad23d2b43e94e5d72a24cfbc39f",
"lessThan": "3c60a8b4037dc35e365658fcbcb349a5d742ff49",
"versionType": "git"
},
{
"status": "affected",
"version": "394f811848827ad23d2b43e94e5d72a24cfbc39f",
"lessThan": "a326b19cfb7775378b50acaa8d836ba44e29b4c2",
"versionType": "git"
},
{
"status": "affected",
"version": "394f811848827ad23d2b43e94e5d72a24cfbc39f",
"lessThan": "bdd8a1297ef101bb5ac57e53b4fbe5e364afd8b1",
"versionType": "git"
},
{
"status": "affected",
"version": "394f811848827ad23d2b43e94e5d72a24cfbc39f",
"lessThan": "f15bcf9a99b1b2683fcfa005b9b3680b5600581f",
"versionType": "git"
},
{
"status": "affected",
"version": "394f811848827ad23d2b43e94e5d72a24cfbc39f",
"lessThan": "9c33222bd387312874fbe36ca8002e5c945b9653",
"versionType": "git"
}
],
"programFiles": [
"drivers/target/target_core_iblock.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.5"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.5",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.6.151",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.103",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.44",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.1.8",
"versionType": "semver",
"lessThanOrEqual": "7.1.*"
},
{
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/target/target_core_iblock.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-80691
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #34357 · Revision 1
- Added to Heist Feed
- Publisher date