In the Linux kernel, the following vulnerability has been resolved:
dm-bufio: don't schedule in atomic context
A BUG was reported as below when CONFIG_DEBUG_ATOMIC_SLEEP and try_verify_in_tasklet are enabled. [ 129.444685][ T934] BUG: sleeping function called from invalid context at drivers/md/dm-bufio.c:2421 [ 129.444723][ T934] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 934, name: kworker/1:4 [ 129.444740][ T934] preempt_count: 201, expected: 0 [ 129.444756][ T934] RCU nest depth: 0, expected: 0 [ 129.444781][ T934] Preemption disabled at: [ 129.444789][ T934] [<ffffffd816231900>] shrink_work+0x21c/0x248 [ 129.445167][ T934] kernel BUG at kernel/sched/walt/walt_debug.c:16! [ 129.445183][ T934] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP [ 129.445204][ T934] Skip md ftrace buffer dump for: 0x1609e0 [ 129.447348][ T934] CPU: 1 PID: 934 Comm: kworker/1:4 Tainted: G W OE 6.6.56-android15-8-o-g6f82312b30b9-debug #1 1400000003000000474e5500b3187743670464e8 [ 129.447362][ T934] Hardware name: Qualcomm Technologies, Inc. Parrot QRD, Alpha-M (DT) [ 129.447373][ T934] Workqueue: dm_bufio_cache shrink_work [ 129.447394][ T934] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 129.447406][ T934] pc : android_rvh_schedule_bug+0x0/0x8 [sched_walt_debug] [ 129.447435][ T934] lr : __traceiter_android_rvh_schedule_bug+0x44/0x6c [ 129.447451][ T934] sp : ffffffc0843dbc90 [ 129.447459][ T934] x29: ffffffc0843dbc90 x28: ffffffffffffffff x27: 0000000000000c8b [ 129.447479][ T934] x26: 0000000000000040 x25: ffffff804b3d6260 x24: ffffffd816232b68 [ 129.447497][ T934] x23: ffffff805171c5b4 x22: 0000000000000000 x21: ffffffd816231900 [ 129.447517][ T934] x20: ffffff80306ba898 x19: 0000000000000000 x18: ffffffc084159030 [ 129.447535][ T934] x17: 00000000d2b5dd1f x16: 00000000d2b5dd1f x15: ffffffd816720358 [ 129.447554][ T934] x14: 0000000000000004 x13: ffffff89ef978000 x12: 0000000000000003 [ 129.447572][ T934] x11: ffffffd817a823c4 x10: 0000000000000202 x9 : 7e779c5735de9400 [ 129.447591][ T934] x8 : ffffffd81560d004 x7 : 205b5d3938373434 x6 : ffffffd8167397c8 [ 129.447610][ T934] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffffffc0843db9e0 [ 129.447629][ T934] x2 : 0000000000002f15 x1 : 0000000000000000 x0 : 0000000000000000 [ 129.447647][ T934] Call trace: [ 129.447655][ T934] android_rvh_schedule_bug+0x0/0x8 [sched_walt_debug 1400000003000000474e550080cce8a8a78606b6] [ 129.447681][ T934] __might_resched+0x190/0x1a8 [ 129.447694][ T934] shrink_work+0x180/0x248 [ 129.447706][ T934] process_one_work+0x260/0x624 [ 129.447718][ T934] worker_thread+0x28c/0x454 [ 129.447729][ T934] kthread+0x118/0x158 [ 129.447742][ T934] ret_from_fork+0x10/0x20 [ 129.447761][ T934] Code: ???????? ???????? ???????? d2b5dd1f (d4210000) [ 129.447772][ T934] ---[ end trace 0000000000000000 ]---
dm_bufio_lock will call spin_lock_bh when try_verify_in_tasklet is enabled, and __scan will be called in atomic context.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel-debuginfo-common-aarch64Upgrade perf6.12-debuginfoUpgrade kernel-debuginfoUpgrade bpftoolUpgrade kernel-libbpf-debuginfoUpgrade kernel-tools-develUpgrade kernel-libbpfUpgrade perfUpgrade kernel-modules-extraUpgrade kernel-livepatch-6.1.140-154.222Upgrade perf-debuginfoUpgrade python3-perfUpgrade python3-perf6.12Upgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel-tools-debuginfoUpgrade python3-perf6.12-debuginfoUpgrade python3-perf-debuginfoUpgrade kernel-develUpgrade kernel-headersUpgrade kernel-modules-extra-commonUpgrade bpftool-debuginfoUpgrade kernel6.12-debuginfoUpgrade perf6.12Upgrade kernel-libbpf-develUpgrade kernelUpgrade kernel6.12-modules-extraUpgrade kernel-libbpf-staticUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-livepatch-6.12.29-33.102Upgrade kernel6.12 | Aug 5, 2025 | May 20, 2025 |
| Debian | — | Upgrade linux-6.1Upgrade linux | May 28, 2025 | May 20, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 20, 2025 |
| Suse | — | Upgrade kernel-kvmsmallUpgrade kernel-azure-develUpgrade kernel-debug-vdsoUpgrade kernel-syms-azureUpgrade kernel-default-optionalUpgrade dtb-qcomUpgrade ocfs2-kmp-defaultUpgrade kernel-obs-qaUpgrade kernel-64kb-develUpgrade kernel-docsUpgrade cluster-md-kmp-rtUpgrade kselftests-kmp-defaultUpgrade dlm-kmp-azureUpgrade kernel-rt-develUpgrade kernel-sourceUpgrade kernel-develUpgrade dlm-kmp-rtUpgrade dtb-armUpgrade cluster-md-kmp-64kbUpgrade dtb-exynosUpgrade kernel-devel-rtUpgrade kernel-default-extraUpgrade kernel-rtUpgrade dtb-xilinxUpgrade dtb-mediatekUpgrade kernel-default-vdsoUpgrade gfs2-kmp-defaultUpgrade dtb-allwinnerUpgrade cluster-md-kmp-defaultUpgrade kernel-64kb-extraUpgrade dtb-rockchipUpgrade kernel-devel-azureUpgrade dtb-sprdUpgrade kernel-default-base-rebuildUpgrade dtb-nvidiaUpgrade kernel-defaultUpgrade kernel-obs-buildUpgrade dtb-apmUpgrade kernel-rt-extraUpgrade reiserfs-kmp-azureUpgrade kernel-symsUpgrade kernel-kvmsmall-develUpgrade ocfs2-kmp-azureUpgrade kernel-source-azureUpgrade kernel-macrosUpgrade kernel-default-manUpgrade kernel-source-vanillaUpgrade kernel-azure-extraUpgrade dtb-amazonUpgrade gfs2-kmp-azureUpgrade kernel-rt_debugUpgrade kernel-debugUpgrade dtb-renesasUpgrade dtb-lgUpgrade dtb-socionextUpgrade kernel-source-rtUpgrade kernel-rt_debug-vdsoUpgrade kernel-default-livepatchUpgrade dtb-freescaleUpgrade dtb-alteraUpgrade dlm-kmp-64kbUpgrade ocfs2-kmp-64kbUpgrade kernel-rt-vdsoUpgrade kernel-rt-livepatch-develUpgrade kernel-docs-htmlUpgrade dtb-caviumUpgrade dtb-broadcomUpgrade dtb-amdUpgrade reiserfs-kmp-defaultUpgrade ocfs2-kmp-rtUpgrade kernel-default-livepatch-develUpgrade dtb-marvellUpgrade kernel-debug-develUpgrade cluster-md-kmp-azureUpgrade gfs2-kmp-64kbUpgrade kernel-syms-rtUpgrade kernel-azure-optionalUpgrade kernel-zfcpdumpUpgrade kernel-azure-vdsoUpgrade kernel-azureUpgrade reiserfs-kmp-rtUpgrade dtb-hisiliconUpgrade reiserfs-kmp-64kbUpgrade kernel-default-develUpgrade kernel-default-baseUpgrade kernel-64kb-optionalUpgrade kernel-64kbUpgrade gfs2-kmp-rtUpgrade dtb-amlogicUpgrade kernel-rt-optionalUpgrade kselftests-kmp-64kbUpgrade kernel-rt_debug-develUpgrade kernel-kvmsmall-vdsoUpgrade dtb-appleUpgrade kselftests-kmp-rtUpgrade kselftests-kmp-azureUpgrade dlm-kmp-default | Dec 5, 2025 | Jun 16, 2025 |
| Ubuntu | — | Upgrade linux-image-oem-24.04cUpgrade linux-image-oracle-6.8Upgrade linux-image-aws-64k-6.8Upgrade linux-image-gkeUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-oem-22.04bUpgrade linux-image-xilinx-6.8Upgrade linux-image-gcp-64kUpgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-azure-6.8Upgrade linux-image-aws-lts-24.04Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-kvmUpgrade linux-image-oem-22.04dUpgrade linux-image-oracleUpgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-oracle-6.14Upgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-generic-6.14Upgrade linux-image-realtime-6.14Upgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-6.14.0-1009-raspiUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-gcpUpgrade linux-image-oem-6.14Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-generic-64k-6.8Upgrade linux-image-aws-fips-6.8Upgrade linux-image-generic-64k-6.14Upgrade linux-image-gcp-64k-6.14Upgrade linux-image-raspi-6.8Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-gke-64k-6.8Upgrade linux-image-oracle-64kUpgrade linux-image-virtualUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-awsUpgrade linux-image-aws-6.14Upgrade linux-image-6.14.0-1010-azureUpgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-6.14.0-1011-gcpUpgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-oem-24.04Upgrade linux-image-realtimeUpgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-100-fipsUpgrade linux-image-gcp-6.8Upgrade linux-image-virtual-6.14Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-nvidia-64kUpgrade linux-image-aws-64k-6.14Upgrade linux-image-oem-24.04aUpgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-aws-64kUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-azure-fipsUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.14.0-1011-gcp-64kUpgrade linux-image-6.14.0-1009-aws-64kUpgrade linux-image-gcp-fipsUpgrade linux-image-gcp-6.14Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-6.14.0-1006-realtimeUpgrade linux-image-gkeopUpgrade linux-image-oem-22.04Upgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.14.0-1007-oemUpgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-raspi-6.14Upgrade linux-image-virtual-6.8Upgrade linux-image-realtime-6.8.1Upgrade linux-image-ibmUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-aws-6.8Upgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-6.14.0-24-generic-64kUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-6.14.0-24-genericUpgrade linux-image-oem-22.04cUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-generic-lpaeUpgrade linux-image-6.14.0-1009-oracle-64kUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-lowlatencyUpgrade linux-image-gkeop-6.8Upgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-generic-64kUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.8.0-1046-azureUpgrade linux-image-ibm-6.8Upgrade linux-image-azure-fips-6.8Upgrade linux-image-6.8.0-1051-azureUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-azure-6.14Upgrade linux-image-azure-lts-24.04Upgrade linux-image-azureUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-gke-6.8Upgrade linux-image-nvidiaUpgrade linux-image-genericUpgrade linux-image-fipsUpgrade linux-image-raspi-realtimeUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-6.14.0-1009-awsUpgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-6.14.0-1009-oracleUpgrade linux-image-lowlatency-64kUpgrade linux-image-intel-iotgUpgrade linux-image-xilinxUpgrade linux-image-generic-6.8Upgrade linux-image-raspiUpgrade linux-image-6.8.0-100-genericUpgrade linux-image-aws-fipsUpgrade linux-image-6.8.0-1046-awsUpgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-oem-22.04aUpgrade linux-image-gke-64kUpgrade linux-image-fips-6.8Upgrade linux-image-lowlatency-6.8Upgrade linux-image-oracle-64k-6.14Upgrade linux-image-ibm-classic | Jun 26, 2025 | May 20, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 8, 2025 | May 20, 2025 |
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