Unrated severityNVD Advisory· Published Aug 22, 2024· Updated May 4, 2025
bpf: Add schedule points in batch ops
CVE-2022-48939
Description
In the Linux kernel, the following vulnerability has been resolved:
bpf: Add schedule points in batch ops
syzbot reported various soft lockups caused by bpf batch operations.
INFO: task kworker/1:1:27 blocked for more than 140 seconds. INFO: task hung in rcu_barrier
Nothing prevents batch ops to process huge amount of data, we need to add schedule points in them.
Note that maybe_wait_bpf_programs(map) calls from generic_map_delete_batch() can be factorized by moving the call after the loop.
This will be done later in -next tree once we get this fix merged, unless there is strong opinion doing this optimization sooner.
Affected products
49- osv-coords48 versionspkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%20Micro%205.5pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%20Micro%205.5pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%20Micro%205.5pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.5pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5pkg: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&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg: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%20Legacy%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP5pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-livepatch-SLE15-SP5-RT_Update_19&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-livepatch-SLE15-SP5_Update_19&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5
< 5.14.21-150500.55.80.1+ 47 more
- (no CPE)range: < 5.14.21-150500.55.80.1
- (no CPE)range: < 5.14.21-150500.55.80.2
- (no CPE)range: < 5.14.21-150500.33.66.1
- (no CPE)range: < 5.14.21-150500.55.80.2
- (no CPE)range: < 5.14.21-150500.55.80.2.150500.6.35.6
- (no CPE)range: < 5.14.21-150500.55.80.2.150500.6.35.6
- (no CPE)range: < 5.14.21-150500.55.80.2
- (no CPE)range: < 5.14.21-150500.55.80.2
- (no CPE)range: < 5.14.21-150500.55.80.2
- (no CPE)range: < 5.14.21-150500.55.80.2
- (no CPE)range: < 5.14.21-150500.55.80.1
- (no CPE)range: < 5.14.21-150500.55.80.1
- (no CPE)range: < 5.14.21-150500.13.67.3
- (no CPE)range: < 5.14.21-150500.13.67.3
- (no CPE)range: < 5.14.21-150500.13.67.3
- (no CPE)range: < 5.14.21-150500.33.66.1
- (no CPE)range: < 5.14.21-150500.55.80.2
- (no CPE)range: < 5.14.21-150500.13.67.3
- (no CPE)range: < 5.14.21-150500.33.66.1
- (no CPE)range: < 5.14.21-150500.55.80.1
- (no CPE)range: < 5.14.21-150500.13.67.1
- (no CPE)range: < 5.14.21-150500.55.80.2
- (no CPE)range: < 5.14.21-150500.55.80.2
- (no CPE)range: < 5.14.21-150500.33.66.1
- (no CPE)range: < 5.14.21-150500.55.80.2.150500.6.35.6
- (no CPE)range: < 5.14.21-150500.55.80.2.150500.6.35.6
- (no CPE)range: < 5.14.21-150500.55.80.2
- (no CPE)range: < 5.14.21-150500.55.80.2
- (no CPE)range: < 5.14.21-150500.55.80.2
- (no CPE)range: < 5.14.21-150500.55.80.2
- (no CPE)range: < 5.14.21-150500.55.80.2
- (no CPE)range: < 5.14.21-150500.55.80.2
- (no CPE)range: < 5.14.21-150500.55.80.2
- (no CPE)range: < 1-150500.11.3.2
- (no CPE)range: < 1-150500.11.3.2
- (no CPE)range: < 5.14.21-150500.55.80.1
- (no CPE)range: < 5.14.21-150500.13.67.3
- (no CPE)range: < 5.14.21-150500.13.67.3
- (no CPE)range: < 5.14.21-150500.13.67.3
- (no CPE)range: < 5.14.21-150500.33.66.1
- (no CPE)range: < 5.14.21-150500.55.80.2
- (no CPE)range: < 5.14.21-150500.55.80.2
- (no CPE)range: < 5.14.21-150500.13.67.3
- (no CPE)range: < 5.14.21-150500.13.67.3
- (no CPE)range: < 5.14.21-150500.33.66.1
- (no CPE)range: < 5.14.21-150500.55.80.1
- (no CPE)range: < 5.14.21-150500.13.67.1
- (no CPE)range: < 5.14.21-150500.55.80.2
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4News mentions
0No linked articles in our index yet.