Auth bypass in Linux Kernel
CVE-2002-2438
TCP firewalls could be circumvented by sending a SYN Packets with other flags (like e.g. RST flag) set, which was not correctly discarded by the Linux TCP stack after firewalling.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.037 (89.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000
Affected products
- Linux Kernel
- Kernel — versions before Linux kernel 2.4.20
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2012/05/30/8 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2012/05/30/4 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2012/05/30/12 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2012/05/30/11 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2012/05/30/13 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2012/02/03/7 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2012/05/29/8 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2014/02/12/8 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2012/05/30/9 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2012/05/31/3 (mailing-list, Patch, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2002-2438?
- CVE-2002-2438 is a high-severity vulnerability in Linux Kernel, classified under Improper Authentication. CVSS score: 7.5/10. Published 2021-05-18.
- How severe is CVE-2002-2438?
- High severity. CVSS v3 base score is 7.5 out of 10.