scsi: megaraid_sas: Fix resource leak in case of probe failure
Priority LOW 27CWE-400Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 2 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-400.
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: megaraid_sas: Fix resource leak in case of probe failure The driver doesn't clean up all the allocated resources properly when scsi_add_host(), megasas_start_aen() function fails during the PCI device probe. Clean up all those resources.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00261 17th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.4.134, 5.10.52, 5.12.19 +2Red Hat: 2 without a fix
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 | 3.0 and later | 5.4.134, 5.10.52, 5.12.19, 5.13.4, 5.14 | Patch available | CNA |
- Linux VendorLinux Affected 3.0 and later Fixed in 5.4.134, 5.10.52, 5.12.19, 5.13.4, 5.14 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 5.4.134; 5.5 to before 5.10.52; 5.11 to before 5.12.19; 5.13 to before 5.13.4 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 5.4.134; 5.5 to before 5.10.52; 5.11 to before 5.12.19; 5.13 to before 5.13.4 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.4.134, 5.10.52, 5.12.19, 5.13.4, 5.14
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
Not affected: 2 products
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2021-47329
- 2026-10-03 Alias added: GHSA-f353-mfhf-jfh7
References
Patch 5
- https://git.kernel.org/stable/c/0c6226601c3e191a44a57d8f9f814b7e5c308959
- https://git.kernel.org/stable/c/0680db6f41920b2c91c7df3cc9cd5968701a6f74
- https://git.kernel.org/stable/c/04b6b9ea80906e3b41ff120b45db31768947cf72
- https://git.kernel.org/stable/c/e623f79691c5104317669ab36ec316a90c05062f
- https://git.kernel.org/stable/c/b5438f48fdd8e1c3f130d32637511efd32038152
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- 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-2021-47329 · CVE Program
- CVE-2021-47329 · NVD
- FIRST EPSS
- GHSA-f353-mfhf-jfh7 · GitHub Advisory Database · CC BY 4.0
- CVE-2021-47329 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences