s390/dasd: fix double module refcount decrement
Priority LOW 25Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
In the Linux kernel, the following vulnerability has been resolved: s390/dasd: fix double module refcount decrement Once the discipline is associated with the device, deleting the device takes care of decrementing the module's refcount. Doing it manually on this error path causes refcount to artificially decrease on each error while it should just stay the same.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00273 19th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 5.10.237, 5.15.153, 6.1.83 +4
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 4.9 and later | 5.10.237, 5.15.153, 6.1.83, 6.6.23, 6.7.11, 6.8.2, 6.9 | Patch available | CNA |
- Linux VendorLinux Affected 4.9 and later Fixed in 5.10.237, 5.15.153, 6.1.83, 6.6.23, 6.7.11, 6.8.2, 6.9 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.9 to before 5.15.153; 5.16 to before 6.1.83; 6.2 to before 6.6.23; 6.7 to before 6.7.11; 6.8 to before 6.8.2 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.9 to before 5.15.153; 5.16 to before 6.1.83; 6.2 to before 6.6.23; 6.7 to before 6.7.11; 6.8 to before 6.8.2 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.237, 5.15.153, 6.1.83, 6.6.23, 6.7.11, 6.8.2, 6.9
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2024-27054
- 2026-10-03 Alias added: GHSA-hm79-2xvr-6jv4
References
Patch 6
- https://git.kernel.org/stable/c/edbdb0d94143db46edd373cc93e433832d29fe19
- https://git.kernel.org/stable/c/ad999aa18103fa038787b6a8a55020abcf34df1a
- https://git.kernel.org/stable/c/ec09bcab32fc4765e0cc97e1b72cdd067135f37e
- https://git.kernel.org/stable/c/fa18aa507ea71d8914b6acb2c94db311c757c650
- https://git.kernel.org/stable/c/ebc5a3bd79e54f98c885c26f0862a27a02c487c5
- https://git.kernel.org/stable/c/c3116e62ddeff79cae342147753ce596f01fcf06
More Linux Kernel vulnerabilities
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- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2024-27054 · CVE Program
- CVE-2024-27054 · NVD
- FIRST EPSS
- GHSA-hm79-2xvr-6jv4 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-27054 · Red Hat security data · CC BY 4.0
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