net/smc: check return value of sock_recvmsg when draining clc data
Priority MEDIUM 40Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 3 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: net/smc: check return value of sock_recvmsg when draining clc data When receiving clc msg, the field length in smc_clc_msg_hdr indicates the length of msg should be received from network and the value should not be fully trusted as it is from the network. Once the value of length exceeds the value of buflen in function smc_clc_wait_msg it may run into deadloop when trying to drain the remaining data exceeding buflen. This patch checks the return value of sock_recvmsg when draining data in case of deadloop in draining.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00767 55th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.10.233, 5.15.176, 6.1.122 +3Red Hat: 3 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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 | 5.8 and later | 5.10.233, 5.15.176, 6.1.122, 6.6.68, 6.12.7, 6.13 | Patch available | CNA |
- Linux VendorLinux Affected 5.8 and later Fixed in 5.10.233, 5.15.176, 6.1.122, 6.6.68, 6.12.7, 6.13 Patch available CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.8.1 to before 5.10.233; 5.11 to before 5.15.176; 5.16 to before 6.1.122; 6.2 to before 6.6.68; 6.7 to before 6.12.7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.8:-:*:*:*:*:*:* | 5.8 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.8:rc5:*:*:*:*:*:* | 5.8 rc5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.8:rc6:*:*:*:*:*:* | 5.8 rc6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.8:rc7:*:*:*:*:*:* | 5.8 rc7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:* | 6.13 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:* | 6.13 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:* | 6.13 rc3 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.8.1 to before 5.10.233; 5.11 to before 5.15.176; 5.16 to before 6.1.122; 6.2 to before 6.6.68; 6.7 to before 6.12.7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.8:-:*:*:*:*:*:* Versions 5.8 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.8:rc5:*:*:*:*:*:* Versions 5.8 rc5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.8:rc6:*:*:*:*:*:* Versions 5.8 rc6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.8:rc7:*:*:*:*:*:* Versions 5.8 rc7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:* Versions 6.13 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:* Versions 6.13 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:* Versions 6.13 rc3 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.233, 5.15.176, 6.1.122, 6.6.68, 6.12.7, 6.13
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
Not affected: 2 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2024-57791
- 2026-10-03 Alias added: GHSA-g3r9-3xjg-2vvw
- 2026-10-16 CISA SSVC decision points changed
- 2026-10-16 Priority changed: LOW → MEDIUM
References
Patch 6
- https://git.kernel.org/stable/c/82c7ad9ca09975aae737abffd66d1ad98874c13d
- https://git.kernel.org/stable/c/6b80924af6216277892d5f091f5bfc7d1265fa28
- https://git.kernel.org/stable/c/d7d1f986ebb284b1db8dafca7d1bdb6dd2445cf6
- https://git.kernel.org/stable/c/7a6927814b4256d603e202ae7c5e38db3b338896
- https://git.kernel.org/stable/c/df3dfe1a93c6298d8c09a18e4fba19ef5b17763b
- https://git.kernel.org/stable/c/c5b8ee5022a19464783058dc6042e8eefa34e8cd
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Sources
- CVE-2024-57791 · CVE Program
- CVE-2024-57791 · NVD
- FIRST EPSS
- GHSA-g3r9-3xjg-2vvw · GitHub Advisory Database · CC BY 4.0
- CVE-2024-57791 · Red Hat security data · CC BY 4.0
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