bcachefs: Check for journal entries overruning end of sb clean section
Published May 20, 2024
8.4
HIGHCVSS 3.1
EPSS 0.22%
Description
Fix a missing bounds check in superblock validation.
Note that we don't yet have repair code for this case - repair code for individual items is generally low priority, since the whole superblock is checksummed, validated prior to write, and we have backups.
Affected products
-
- Version StatusaffectedConstraints
- Version
-
- Version 6.7StatusaffectedConstraints-
- Version 0StatusunaffectedConstraints<6.7
- Version 6.9StatusunaffectedConstraints<=*
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
- ≥ 6.7 · < 6.9
- 6.9
- 6.9
- 6.9
- 6.9
- 6.9
-
- Version 1da177e4c3f4StatusaffectedConstraints<fcdbc1d7a4b6
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux Kernel | n/a |
|
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise Linux 8
kernel-rt
Not affected
Red Hat Enterprise Linux 9
kernel
Not affected
Red Hat Enterprise Linux 9
kernel-rt
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 9 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 9 | kernel-rt | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
The bcachefs module is not built in the kernel shipped in Red Hat Enterprise Linux, so it is not affected by this vulnerability.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2 other sources (CVE.org, Red Hat) ▾
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Jan 16, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2024–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (5 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.22% (0.00225) | 12.02th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.23% (0.00230) | 13.56th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00070) | 18.85th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00043) | 10.81th | v3 (v2023.03.01) |
| May 21, 2024 | 0.04% (0.00043) | 8.60th | v3 (v2023.03.01) |
References (6)
- https://access.redhat.com/security/cve/CVE-2024-35948 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2281947 Issue Tracking
- https://git.kernel.org/stable/c/fcdbc1d7a4b638e5d5668de461f320386f3002aa Patch
- https://lore.kernel.org/linux-cve-announce/2024052043-CVE-2024-35948-a92f@gregkh/T
- https://nvd.nist.gov/vuln/detail/CVE-2024-35948
- https://www.cve.org/CVERecord?id=CVE-2024-35948
Change history (0)
No recorded changes yet.