ceph: fix inode leak on getattr error in __fh_to_dentry
Priority LOW 16Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Partial Red Hat: 2 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: ceph: fix inode leak on getattr error in __fh_to_dentry
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00243 15th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.4.120, 5.8, 5.10.38 +3Red 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 | 5.4.49 to before 5.4.120; 5.7.6 to before 5.8 | 5.4.120, 5.8 | Patch available | CNA |
| Linux | Linux | 5.8 and later | 5.4.120, 5.10.38, 5.11.22, 5.12.5, 5.13 | Patch available | CNA |
- Linux VendorLinux Affected 5.4.49 to before 5.4.120; 5.7.6 to before 5.8 Fixed in 5.4.120, 5.8 Patch available CNA
- Linux VendorLinux Affected 5.8 and later Fixed in 5.4.120, 5.10.38, 5.11.22, 5.12.5, 5.13 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.4.49 to before 5.4.120; 5.8 to before 5.10.38; 5.11 to before 5.11.22; 5.12 to before 5.12.5 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.4.49 to before 5.4.120; 5.8 to before 5.10.38; 5.11 to before 5.11.22; 5.12 to before 5.12.5 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.4.120, 5.8
- Fix · CNA Linux (Linux) Fixed in 5.4.120, 5.10.38, 5.11.22, 5.12.5, 5.13
Vendor assessments
Red Hat
Red Hat rating: Moderate. 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-2021-47000
- 2026-10-03 Alias added: GHSA-jc2v-m93g-6fw8
References
Patch 5
- https://git.kernel.org/stable/c/2ad8af2b70e986284050213230428b823b950a38
- https://git.kernel.org/stable/c/bf45c9fe99aa8003d2703f1bd353f956dea47e40
- https://git.kernel.org/stable/c/22fa4c8288f1ec40f6d62d7a32c57ac176f9f0bc
- https://git.kernel.org/stable/c/0a219432127d396120fc88cabd82785e0ff72a2f
- https://git.kernel.org/stable/c/1775c7ddacfcea29051c67409087578f8f4d751b
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-2021-47000 · CVE Program
- CVE-2021-47000 · NVD
- FIRST EPSS
- GHSA-jc2v-m93g-6fw8 · GitHub Advisory Database · CC BY 4.0
- CVE-2021-47000 · 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