Unrated severityNVD Advisory· Published Jun 8, 2026
CVE-2026-46285
CVE-2026-46285
Description
In the Linux kernel, the following vulnerability has been resolved:
mtd: docg3: fix use-after-free in docg3_release()
In docg3_release(), the docg3 pointer is obtained from cascade->floors[0]->priv before the loop that calls doc_release_device() on each floor. doc_release_device() frees the docg3 struct via kfree(docg3) at line 1881. After the loop, docg3->cascade->bch dereferences the already-freed pointer.
Fix this by accessing cascade->bch directly, which is equivalent since docg3->cascade points back to the same cascade struct, and is already available as a local variable. This also removes the now-unused docg3 local variable.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
16- osv-coords15 versionspkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Tumbleweedpkg:linux/kernelpkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2016.0
< 6.12.0-160000.37.1+ 14 more
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 7.0.12-1.1
- (no CPE)range: >= 5.8.0, < 5.10.258
- (no CPE)range: < 6.12.0-160000.37.1.160000.2.19
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/16f6588a3b7a2a20d10ad9b766be74c60ba347ccnvd
- git.kernel.org/stable/c/2bf706fe7831b319f23a85b9728f961cfed40c3envd
- git.kernel.org/stable/c/8408655ec8344511667b61d8257dc59c80ee3391nvd
- git.kernel.org/stable/c/ca19808bc6fac7e29420d8508df569b346b3e339nvd
- git.kernel.org/stable/c/d26f8c361f751c188b7ebaf8189aa0258968fd98nvd
- git.kernel.org/stable/c/d49628d63d4e6bbc8a1621afb88e5fc901611beenvd
- git.kernel.org/stable/c/d89044889ecd11b0c2f86663597246e9bdd25679nvd
- git.kernel.org/stable/c/f5d2ed4ed47d3906e2495a3537a48b127f497a17nvd
News mentions
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