Integer signedness error in the Linux Socket Filter implementation (filter.c) in Linux…
Priority LOW 11Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Integer signedness error in the Linux Socket Filter implementation (filter.c) in Linux 2.4.3-pre3 to 2.4.22-pre10 allows attackers to cause a denial of service (crash).
Why it matters now
EPSS 0.00375 31st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 39
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:2.4.2:*:*:*:*:*:*:* | 2.4.2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.3:pre3:*:*:*:*:*:* | 2.4.3 pre3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.4:*:*:*:*:*:*:* | 2.4.4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.5:*:*:*:*:*:*:* | 2.4.5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.6:*:*:*:*:*:*:* | 2.4.6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.7:*:*:*:*:*:*:* | 2.4.7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.8:*:*:*:*:*:*:* | 2.4.8 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.9:*:*:*:*:*:*:* | 2.4.9 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.10:*:*:*:*:*:*:* | 2.4.10 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.11:*:*:*:*:*:*:* | 2.4.11 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:2.4.2:*:*:*:*:*:*:* Versions 2.4.2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.3:pre3:*:*:*:*:*:* Versions 2.4.3 pre3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.4:*:*:*:*:*:*:* Versions 2.4.4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.5:*:*:*:*:*:*:* Versions 2.4.5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.6:*:*:*:*:*:*:* Versions 2.4.6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.7:*:*:*:*:*:*:* Versions 2.4.7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.8:*:*:*:*:*:*:* Versions 2.4.8 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.9:*:*:*:*:*:*:* Versions 2.4.9 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.10:*:*:*:*:*:*:* Versions 2.4.10 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.11:*:*:*:*:*:*:* Versions 2.4.11 Vulnerable ·Linux
Show 29 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:2.4.12:*:*:*:*:*:*:* | 2.4.12 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.13:*:*:*:*:*:*:* | 2.4.13 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.14:*:*:*:*:*:*:* | 2.4.14 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.15:*:*:*:*:*:*:* | 2.4.15 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.16:*:*:*:*:*:*:* | 2.4.16 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.17:*:*:*:*:*:*:* | 2.4.17 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.18:*:*:*:*:*:*:* | 2.4.18 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.18:*:x86:*:*:*:*:* | 2.4.18 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.18:pre1:*:*:*:*:*:* | 2.4.18 pre1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.18:pre2:*:*:*:*:*:* | 2.4.18 pre2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.18:pre3:*:*:*:*:*:* | 2.4.18 pre3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.18:pre4:*:*:*:*:*:* | 2.4.18 pre4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.18:pre5:*:*:*:*:*:* | 2.4.18 pre5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.18:pre6:*:*:*:*:*:* | 2.4.18 pre6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.18:pre7:*:*:*:*:*:* | 2.4.18 pre7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.18:pre8:*:*:*:*:*:* | 2.4.18 pre8 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.19:*:*:*:*:*:*:* | 2.4.19 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.19:pre1:*:*:*:*:*:* | 2.4.19 pre1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.19:pre2:*:*:*:*:*:* | 2.4.19 pre2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.19:pre3:*:*:*:*:*:* | 2.4.19 pre3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.19:pre4:*:*:*:*:*:* | 2.4.19 pre4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.19:pre5:*:*:*:*:*:* | 2.4.19 pre5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.19:pre6:*:*:*:*:*:* | 2.4.19 pre6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.20:*:*:*:*:*:*:* | 2.4.20 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.21:*:*:*:*:*:*:* | 2.4.21 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.21:pre1:*:*:*:*:*:* | 2.4.21 pre1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.21:pre4:*:*:*:*:*:* | 2.4.21 pre4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.21:pre7:*:*:*:*:*:* | 2.4.21 pre7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.22:pre10:*:*:*:*:*:* | 2.4.22 pre10 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:2.4.12:*:*:*:*:*:*:* Versions 2.4.12 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.13:*:*:*:*:*:*:* Versions 2.4.13 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.14:*:*:*:*:*:*:* Versions 2.4.14 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.15:*:*:*:*:*:*:* Versions 2.4.15 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.16:*:*:*:*:*:*:* Versions 2.4.16 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.17:*:*:*:*:*:*:* Versions 2.4.17 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.18:*:*:*:*:*:*:* Versions 2.4.18 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.18:*:x86:*:*:*:*:* Versions 2.4.18 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.18:pre1:*:*:*:*:*:* Versions 2.4.18 pre1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.18:pre2:*:*:*:*:*:* Versions 2.4.18 pre2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.18:pre3:*:*:*:*:*:* Versions 2.4.18 pre3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.18:pre4:*:*:*:*:*:* Versions 2.4.18 pre4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.18:pre5:*:*:*:*:*:* Versions 2.4.18 pre5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.18:pre6:*:*:*:*:*:* Versions 2.4.18 pre6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.18:pre7:*:*:*:*:*:* Versions 2.4.18 pre7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.18:pre8:*:*:*:*:*:* Versions 2.4.18 pre8 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.19:*:*:*:*:*:*:* Versions 2.4.19 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.19:pre1:*:*:*:*:*:* Versions 2.4.19 pre1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.19:pre2:*:*:*:*:*:* Versions 2.4.19 pre2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.19:pre3:*:*:*:*:*:* Versions 2.4.19 pre3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.19:pre4:*:*:*:*:*:* Versions 2.4.19 pre4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.19:pre5:*:*:*:*:*:* Versions 2.4.19 pre5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.19:pre6:*:*:*:*:*:* Versions 2.4.19 pre6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.20:*:*:*:*:*:*:* Versions 2.4.20 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.21:*:*:*:*:*:*:* Versions 2.4.21 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.21:pre1:*:*:*:*:*:* Versions 2.4.21 pre1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.21:pre4:*:*:*:*:*:* Versions 2.4.21 pre4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.21:pre7:*:*:*:*:*:* Versions 2.4.21 pre7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.22:pre10:*:*:*:*:*:* Versions 2.4.22 pre10 Vulnerable ·Linux
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2003-0643
- 2026-10-03 Alias added: GHSA-mrpc-7q77-p54w
References
Other 6
- http://mirror.clarkson.edu/pub/distributions/gentoo-portage/sys-kernel/wolk-sources/ChangeLog
- http://ftp.belnet.be/linux/gentoo-portage/sys-kernel/gentoo-sources/files/gentoo-sources-2.4.CAN-2003-0643.patch
- http://www.ultramonkey.org/bugs/cve/CAN-2003-0643.shtml
- http://www.xerox.com/downloads/usa/en/c/cert_XRX06_004_v11.pdf
- http://gentoo.kems.net/gentoo-x86-portage/sys-kernel/gentoo-sources/ChangeLog
- http://www.ultramonkey.org/bugs/cve-patch/CAN-2003-0643.patch
More Linux Kernel vulnerabilities
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- 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-2003-0643 · CVE Program
- CVE-2003-0643 · NVD
- FIRST EPSS
- GHSA-mrpc-7q77-p54w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences