scsi: libfc: Fix array index out of bound exception
Priority MEDIUM 40CWE-125Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 4 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: libfc: Fix array index out of bound exception Fix array index out of bound exception in fc_rport_prli_resp().
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01187 68th percentileScored 2026-11-07
Fix Partial Linux (Linux): 4.14.241, 4.19.199, 5.4.135 +3Red Hat: 4 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 | 4.10 and later | 4.14.241, 4.19.199, 5.4.135, 5.10.53, 5.13.5, 5.14 | Patch available | CNA |
- Linux VendorLinux Affected 4.10 and later Fixed in 4.14.241, 4.19.199, 5.4.135, 5.10.53, 5.13.5, 5.14 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 4.14.241; 4.15 to before 4.19.199; 4.20 to before 5.4.135; 5.5 to before 5.10.53; 5.11 to before 5.13.5 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 4.14.241; 4.15 to before 4.19.199; 4.20 to before 5.4.135; 5.5 to before 5.10.53; 5.11 to before 5.13.5 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.14.241, 4.19.199, 5.4.135, 5.10.53, 5.13.5, 5.14
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 |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 9 | Affected | No fix planned: Will not fix |
Not affected: 1 product
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2021-47308
- 2026-10-03 Alias added: GHSA-7r7x-qw92-2ffh
References
Patch 6
- https://git.kernel.org/stable/c/44651522941c623e20882b3b443f23f77de1ea8b
- https://git.kernel.org/stable/c/4921b1618045ffab71b1050bf0014df3313a2289
- https://git.kernel.org/stable/c/0fe70c15f9435bb3c50954778245d62ee38b0e03
- https://git.kernel.org/stable/c/a4a54c54af2516caa9c145015844543cfc84316a
- https://git.kernel.org/stable/c/8511293e643a18b248510ae5734e4f360754348c
- https://git.kernel.org/stable/c/b27c4577557045f1ab3cdfeabfc7f3cd24aca1fe
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-2021-47308 · CVE Program
- CVE-2021-47308 · NVD
- FIRST EPSS
- GHSA-7r7x-qw92-2ffh · GitHub Advisory Database · CC BY 4.0
- CVE-2021-47308 · 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