Unrated severityNVD Advisory· Published Jul 19, 2026· Updated Jul 27, 2026
CVE-2026-63897
CVE-2026-63897
Description
In the Linux kernel, the following vulnerability has been resolved:
USB: serial: mct_u232: fix missing interrupt-in transfer sanity check
Add the missing sanity check on the size of interrupt-in transfers to avoid parsing stale or uninitialised slab data (and leaking it to user space).
Affected products
15- osv-coords14 versionspkg:linux/kernelpkg: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-default-base&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-docs&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%2016.0pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2016.0
>= 2.6.12, < 5.10.259+ 13 more
- (no CPE)range: >= 2.6.12, < 5.10.259
- (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: < 6.12.0-160000.37.1.160000.2.19
- (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
Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/245aba83e3c288e176ed037a1f6b618b09e92ed8nvd
- git.kernel.org/stable/c/631b8b7c456567f7a8d26f6fc354c8dd9cc9f832nvd
- git.kernel.org/stable/c/70bb9a2661d34b93a9b83cf83e2b76289a712ef0nvd
- git.kernel.org/stable/c/82b48d70bced1ec8e5f676d1fd5eccc7a44dc418nvd
- git.kernel.org/stable/c/8b93ee5baeef6efabee2c3381907733ad2dbc883nvd
- git.kernel.org/stable/c/a093f3e0c03d25a86d747a655d4b9322ffb2ed87nvd
- git.kernel.org/stable/c/ed260b56bc9fc878e5dcbb866eab8af0688e0e67nvd
- git.kernel.org/stable/c/f06bcaba29707f060706483b2020d3cafbe98f9fnvd
News mentions
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