samples/bpf: Fix buffer overflow in tcp_basertt
Priority LOW 22Published · Updated
Key facts
- Attack vector
- —
- Privileges required
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- User interaction
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- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
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- Fix status
- Partial Red Hat: 5 fixed, 1 without a fix
No CVSS vector from any source. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: samples/bpf: Fix buffer overflow in tcp_basertt Using sizeof(nv) or strlen(nv)+1 is correct.
Why it matters now
EPSS 0.00216 12th percentileScored 2026-11-07
Fix Partial Linux (Linux): 4.19.291, 5.4.251, 5.10.188 +5Red Hat: 1 advisoryRed Hat: 5 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.19.291, 5.4.251, 5.10.188, 5.15.121, 6.1.39, 6.3.13, 6.4.4, 6.5
Red Hat 1 advisory
- RHSA-2024:2394 Released 2024-04-30 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-427.13.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.13.1.el9_4, kernel-64k-devel-5.14.0-427.13.1.el9_4 +11
- Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.3.0-427.13.1.el9_4, kernel-5.14.0-427.13.1.el9_4, kernel-64k-5.14.0-427.13.1.el9_4 +29
- Red Hat Enterprise Linux CRB (v. 9) kernel-tools-libs-devel-5.14.0-427.13.1.el9_4, libperf-5.14.0-427.13.1.el9_4
- Red Hat Enterprise Linux NFV (v. 9) kernel-rt-5.14.0-427.13.1.el9_4, kernel-rt-core-5.14.0-427.13.1.el9_4, kernel-rt-debug-5.14.0-427.13.1.el9_4 +11
- Red Hat Enterprise Linux RT (v. 9) kernel-rt-5.14.0-427.13.1.el9_4, kernel-rt-core-5.14.0-427.13.1.el9_4, kernel-rt-debug-5.14.0-427.13.1.el9_4 +9
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:2394 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2024:2394 |
| Red Hat Enterprise Linux CRB (v. 9) | Fixed | RHSA-2024:2394 |
| Red Hat Enterprise Linux NFV (v. 9) | Fixed | RHSA-2024:2394 |
| Red Hat Enterprise Linux RT (v. 9) | Fixed | RHSA-2024:2394 |
Not affected: 4 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2023-54312
- 2026-10-03 Alias added: GHSA-p36c-jp35-qgrh
References
Other 8
- https://git.kernel.org/stable/c/cf7514fedc25675e68b74941df28a883951e70fd
- https://git.kernel.org/stable/c/f394d204d64095d72ad9f03ff98f3f3743bf743a
- https://git.kernel.org/stable/c/bd3e880dce27d225598730d2bbb3dc05b443af22
- https://git.kernel.org/stable/c/e92f61e0701ea780e57e1be8dbd1fbec5f42c09e
- https://git.kernel.org/stable/c/56c25f2763a16db4fa1b486e6a21dc246cd992bd
- https://git.kernel.org/stable/c/dfc004688518d24159606289c74d0c4e123e6436
- https://git.kernel.org/stable/c/7c08d1b0d1f75117cf82aeaef49ba9f861b3fb59
- https://git.kernel.org/stable/c/f4dea9689c5fea3d07170c2cb0703e216f1a0922
More Linux vulnerabilities
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- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2021-02452 Incorrect authorization in Ubuntu linux kernel 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
Sources
- CVE-2023-54312 · CVE Program
- CVE-2023-54312 · NVD
- FIRST EPSS
- GHSA-p36c-jp35-qgrh · GitHub Advisory Database · CC BY 4.0
- CVE-2023-54312 · 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