Unrated severityNVD Advisory· Published May 30, 2024· Updated May 4, 2025
s390/cio: Ensure the copied buf is NUL terminated
CVE-2024-36931
Description
In the Linux kernel, the following vulnerability has been resolved:
s390/cio: Ensure the copied buf is NUL terminated
Currently, we allocate a lbuf-sized kernel buffer and copy lbuf from userspace to that buffer. Later, we use scanf on this buffer but we don't ensure that the string is terminated inside the buffer, this can lead to OOB read when using scanf. Fix this issue by using memdup_user_nul instead.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
98- osv-coords96 versionspkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.6pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-livepatch-MICRO-6-0-RT_Update_5&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-livepatch-MICRO-6-0-RT_Update_5&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-livepatch-SLE15-SP5-RT_Update_16&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-livepatch-SLE15-SP5_Update_15&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-livepatch-SLE15-SP6-RT_Update_1&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-livepatch-SLE15-SP6_Update_1&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6
< 5.14.21-150500.55.68.1+ 95 more
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.1
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.33.57.1
- (no CPE)range: < 6.4.0-150600.8.5.4
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.55.68.1.150500.6.31.1
- (no CPE)range: < 6.4.0-150600.23.7.3.150600.12.2.7
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.4
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.33.57.1
- (no CPE)range: < 6.4.0-150600.8.5.4
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.2
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.33.57.1
- (no CPE)range: < 6.4.0-150600.8.5.1
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.33.57.1
- (no CPE)range: < 6.4.0-150600.8.5.4
- (no CPE)range: < 5.14.21-150500.55.68.1.150500.6.31.1
- (no CPE)range: < 5.14.21-150500.55.68.1.150500.6.31.1
- (no CPE)range: < 6.4.0-150600.23.7.3.150600.12.2.7
- (no CPE)range: < 6.4.0-17.1.1.51
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 6.4.0-18.1
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.4
- (no CPE)range: < 6.4.0-18.1
- (no CPE)range: < 1-1.1
- (no CPE)range: < 1-1.1
- (no CPE)range: < 1-150500.11.3.1
- (no CPE)range: < 1-150500.11.3.1
- (no CPE)range: < 1-150600.1.5.1
- (no CPE)range: < 1-150600.13.3.7
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 6.4.0-9.1
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.33.57.1
- (no CPE)range: < 6.4.0-150600.8.5.4
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.2
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.2
- (no CPE)range: < 6.4.0-18.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 6.4.0-9.1
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.33.57.1
- (no CPE)range: < 6.4.0-150600.8.5.1
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
Patches
Vulnerability mechanics
References
5- git.kernel.org/stable/c/06759ebaf75c19c87b2453a5e130e9e61e9b5d65mitre
- git.kernel.org/stable/c/10452edd175fcc4fd0f5ac782ed2a002e3e5d65cmitre
- git.kernel.org/stable/c/84b38f48836662c4bfae646c014f4e981e16a2b2mitre
- git.kernel.org/stable/c/c9d48ce163305595ae20aee27774192476d5e6a5mitre
- git.kernel.org/stable/c/da7c622cddd4fe36be69ca61e8c42e43cde94784mitre
News mentions
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