CVE-2026-72168 json
mtd: maps: vmu-flash: fix fault in unaligned fixup
published 2026-08-15 2 mo ago modified 2026-10-30 9 d ago also EUVD-2026-58926
- cvss
- —
- not scored
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 11%
- public exploits
- 0
- none known
Summary
In the Linux kernel, the following vulnerability has been resolved:
mtd: maps: vmu-flash: fix fault in unaligned fixup
Use kzalloc_obj() / kzalloc_objs() to allocate the memcard structs, instead of kmalloc_obj() / kmalloc_objs() to prevent access to uninitialized data.
Fixes runtime error: Fault in unaligned fixup: 0000 [#1] at mtd_get_fact_prot_info.
Patch / fix
- Linux Linux 6.1.191, 6.6.160, 6.12.101, 6.18.42, 7.1.5, 7.2
- linux Debian 13 6.12.101-1
- linux Debian 14 7.1.5-1
- linux-6.12 Debian 12 6.12.101-1~deb12u1
debian advisories DEBIAN-CVE-2026-72168
- linux Ubuntu 24.04 LTS 6.8.0-147.147
- linux Ubuntu 26.04 LTS 7.0.0-38.38
- linux-aws Ubuntu 24.04 LTS 6.8.0-1067.70
- linux-aws Ubuntu 26.04 LTS 7.0.0-1014.14
- linux-gcp Ubuntu 24.04 LTS 6.8.0-1071.79
- linux-gcp Ubuntu 26.04 LTS 7.0.0-1014.14
- linux-gke Ubuntu 24.04 LTS 6.8.0-1066.74
- linux-gke Ubuntu 26.04 LTS 7.0.0-1008.9
ubuntu advisories UBUNTU-CVE-2026-72168
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- git.kernel.org/stable/c/1b38399b3f949fd631cd12c96a3857ff4313dd90 commit
- git.kernel.org/stable/c/1dc6653c47147ac754fced76b0932b8df1d2d414 commit
- git.kernel.org/stable/c/01928835d80829e615a492aa66c629b953ec7bef commit
- git.kernel.org/stable/c/19360c25135fccb6bbafbee49a5f66baf9a311af commit
- git.kernel.org/stable/c/455519f6b70f46ac6cbf41a75ac76ec5e59040f2 commit
- git.kernel.org/stable/c/79d1661502c6e4b6f626185cef72cf2fa78116e1 commit
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-72168 updated cvss 5.5
kernel: mtd: maps: vmu-flash: fix fault in unaligned fixup
-
Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more Red Hat Enterprise Linux 10 kernelnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.21% chance of exploitation in the next 30 days, higher than 11% of all scored CVEs (FIRST EPSS, 2026-11-08).
Affected products
- Linux Linux
Classification
- Technology feeds
References
- git.kernel.org /stable/c/1b38399b3f949fd631cd12c96a3857ff4313dd90
- git.kernel.org /stable/c/1dc6653c47147ac754fced76b0932b8df1d2d414
- git.kernel.org /stable/c/01928835d80829e615a492aa66c629b953ec7bef
- git.kernel.org /stable/c/19360c25135fccb6bbafbee49a5f66baf9a311af
- git.kernel.org /stable/c/455519f6b70f46ac6cbf41a75ac76ec5e59040f2
- git.kernel.org /stable/c/79d1661502c6e4b6f626185cef72cf2fa78116e1
Sources
- CVE List CVE-2026-72168
- NVD CVE-2026-72168
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