In the Linux kernel, the following vulnerability has been resolved:
dm-integrity: Avoid divide by zero in table status in Inline mode
In Inline mode, the journal is unused, and journal_sectors is zero.
Calculating the journal watermark requires dividing by journal_sectors, which should be done only if the journal is configured.
Otherwise, a simple table query (dmsetup table) can cause OOPS.
This bug did not show on some systems, perhaps only due to compiler optimization.
On my 32-bit testing machine, this reliably crashes with the following:
: Oops: divide error: 0000 [#1] PREEMPT SMP : CPU: 0 UID: 0 PID: 2450 Comm: dmsetup Not tainted 6.14.0-rc2+ #959 : EIP: dm_integrity_status+0x2f8/0xab0 [dm_integrity] ...
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 23, 2026 | Jul 23, 2026 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Mar 27, 2025 |
| Suse | — | Upgrade kernel-defaultUpgrade kernel-source-azureUpgrade kernel-kvmsmallUpgrade kernel-azure-extraUpgrade kernel-default-extraUpgrade kernel-devel-azureUpgrade kernel-azure-develUpgrade kernel-docsUpgrade kernel-docs-htmlUpgrade kernel-azureUpgrade kernel-default-livepatchUpgrade kernel-macrosUpgrade kernel-source-vanillaUpgrade kernel-kvmsmall-vdsoUpgrade kernel-sourceUpgrade kernel-azure-vdsoUpgrade kernel-develUpgrade kernel-obs-qaUpgrade kernel-64kb-develUpgrade kernel-default-develUpgrade kernel-64kb-extraUpgrade kernel-zfcpdumpUpgrade kernel-kvmsmall-develUpgrade kernel-symsUpgrade kernel-default-vdsoUpgrade kernel-64kb | Dec 5, 2025 | Dec 5, 2025 |
| Ubuntu | — | Upgrade linux-image-lowlatencyUpgrade linux-image-6.11.0-1014-lowlatency-64kUpgrade linux-image-oracle-64kUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-awsUpgrade linux-image-6.11.0-1014-awsUpgrade linux-image-virtualUpgrade linux-image-azure-fdeUpgrade linux-image-6.11.0-1015-gcp-64kUpgrade linux-image-6.11.0-1016-oracleUpgrade linux-image-gcpUpgrade linux-image-6.11.0-1016-oracle-64kUpgrade linux-image-raspiUpgrade linux-image-azureUpgrade linux-image-6.11.0-1015-azureUpgrade linux-image-6.11.0-1022-oemUpgrade linux-image-6.11.0-1013-raspiUpgrade linux-image-6.11.0-1015-azure-fdeUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.11.0-1010-realtimeUpgrade linux-image-oem-24.04bUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-generic-64kUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-gcp-64kUpgrade linux-image-6.11.0-26-generic-64kUpgrade linux-image-oracleUpgrade linux-image-6.11.0-26-genericUpgrade linux-image-6.11.0-1014-lowlatencyUpgrade linux-image-genericUpgrade linux-image-6.11.0-1015-gcpUpgrade linux-image-realtimeUpgrade linux-image-lowlatency-64k | May 21, 2025 | Mar 27, 2025 |
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