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  4. CVE 2024 56780 quota flush quotareleasework upon quota writeback
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Back to active CVEs
Medium · CVSS 5.5CVE-2024-56780

quota: flush quota_release_work upon quota writebackCVE-2024-56780

Answer in brief

CVE-2024-56780 records a Medium severity (CVSS 5.5) vulnerability in quota: flush quota_release_work upon quota writeback. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic), Siemens/RUGGEDCOM RST2428P (generic), Siemens/SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jan 8, 2025Updated Oct 15, 2026Source checked Oct 15, 2026First seen by HOL Oct 15, 2026Material review Oct 15, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.5
Exploitation
Not marked as known exploited
Affected software
8 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic), Siemens/RUGGEDCOM RST2428P (generic), Siemens/SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=d40c192e119892799dd4ddf94f5cea6fa93775ef <a5abba5e0e586e258ded3e798fe5f69c66fec198 || >=86d89987f0998c98f57d641e308b40452a994045 <6f3821acd7c3143145999248087de5fb4b48cf26 || >=89602de9a2d7080b7a4029d5c1bf8f78d295ff5f <ab6cfcf8ed2c7496f55d020b65b1d8cd55d9a2cb || >=3027e200dd58d5b437f16634dbbd355b29ffe0a6 <3e6ff207cd5bd924ad94cd1a7c633bcdac0ba1cb || >=dabc8b20756601b9e1cc85a81d47d3f98ed4d13a <bcacb52a985f1b6d280f698a470b873dfe52728a || >=dabc8b20756601b9e1cc85a81d47d3f98ed4d13a <8ea87e34792258825d290f4dc5216276e91cb224 || >=dabc8b20756601b9e1cc85a81d47d3f98ed4d13a <ac6f420291b3fee1113f21d612fa88b628afab5b || f3e9a2bbdeb8987508dd6bb2b701dea911d4daec || 903fc5d8cb48b0d2de7095ef40e39fd32bb27bd0 || 31bed65eecbc5ce57592cfe31947eaa64e3d678e || >=5.4.257 <5.4.287 || >=5.10.195 <5.10.231 || >=5.15.132 <5.15.174 || >=6.1.53 <6.1.120 || >=4.19.295 <4.20 || >=6.4.16 <6.5 || >=6.5.3 <6.6a5abba5e0e586e258ded3e798fe5f69c66fec198, 6f3821acd7c3143145999248087de5fb4b48cf26, ab6cfcf8ed2c7496f55d020b65b1d8cd55d9a2cb, 3e6ff207cd5bd924ad94cd1a7c633bcdac0ba1cb, bcacb52a985f1b6d280f698a470b873dfe52728a, 8ea87e34792258825d290f4dc5216276e91cb224, ac6f420291b3fee1113f21d612fa88b628afab5b, 5.4.287, 5.10.231, 5.15.174, 6.1.120, 4.20, 6.5, 6.6
Linux/Linuxgeneric6.6Not reported
Siemens/RUGGEDCOM RST2428Pgeneric>=0 <V3.2V3.2
Siemens/SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 familygeneric>=0 <V3.2V3.2
Siemens/SCALANCE XCM-/XRM-/XCH-/XRH-300 familygeneric>=0 <V3.2V3.2
Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFPgeneric>=V3.1.0 <V3.1.5V3.1.5
Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFPgeneric>=V3.1.0 <V3.1.5V3.1.5
Siemens/SIPLUS S7-1500 CPU 1518-4 PN/DP MFPgeneric>=V3.1.0 <V3.1.5V3.1.5

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux, Siemens/RUGGEDCOM RST2428P.
  2. 2Review the reported fix. Update Linux/Linux to a5abba5e0e586e258ded3e798fe5f69c66fec198; Siemens/RUGGEDCOM RST2428P to V3.2; Siemens/SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family to V3.2; Siemens/SCALANCE XCM-/XRM-/XCH-/XRH-300 family to V3.2; Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFP to V3.1.5; Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP to V3.1.5; Siemens/SIPLUS S7-1500 CPU 1518-4 PN/DP MFP to V3.1.5 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Jan 8, 2025

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 15, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 15, 2026

Sources and claim methodology

  • Source referencecert-portal.siemens.com
  • Source referencecert-portal.siemens.com
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencelists.debian.org
  • Source referencelists.debian.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: quota: flush quota_release_work upon quota writeback One of the paths quota writeback is called from is: freeze_super() sync_filesystem() ext4_sync_fs() dquot_writeback_dquots() Since we currently don't always flush the quota_release_work queue in this path, we can end up with the following race: 1. dquot are added to releasing_dquots list during regular operations. 2. FS Freeze starts, however, this does not flush the quota_release_work queue. 3. Freeze completes. 4. Kernel eventually tries to flush the workqueue while FS is frozen which hits a WARN_ON since transaction gets started during frozen state: ext4_journal_check_start+0x28/0x110 [ext4] (unreliable) __ext4_journal_start_sb+0x64/0x1c0 [ext4] ext4_release_dquot+0x90/0x1d0 [ext4] quota_release_workfn+0x43c/0x4d0 Which is the following line: WARN_ON(sb->s_writers.frozen == SB_FREEZE_COMPLETE); Which ultimately results in generic/390 failing due to dmesg noise. This was detected on powerpc machine 15 cores. To avoid this, make sure to flush the workqueue during dquot_writeback_dquots() so we dont have any pending workitems after freeze.

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Oct 15, 2026
References
11 linked sources
Open source record