CVE-2002-1571
What it is
The linux 2.4 kernel before 2.4.19 assumes that the fninit instruction clears all registers, which could lead to an information leak on processors that do not clear all relevant SSE registers.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. Limited direct impact.
- Exploit odds
- 0.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.4% in the next 30 days (EPSS).
- Severity: 2.1 LOW (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Record status
- Modified
Affected
- Linux Kernel 2.4.0
- Linux Kernel 2.4.1
- Linux Kernel 2.4.2
- Linux Kernel 2.4.3
- Linux Kernel 2.4.4
- Linux Kernel 2.4.5
- Linux Kernel 2.4.6
- Linux Kernel 2.4.7
Attack profile CVSS 2.0 · 2.1
- Attack vector
- Local
- Complexity
- Low
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- None
- Availability
- None
Raw vector
AV:L/AC:L/Au:N/C:P/I:N/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2002-1571.md and follow it. Check whether this project is affected by CVE-2002-1571. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
References
- http://linux.bkbits.net:8080/linux-2.4/diffs/arch/i386/kernel/i387.c%401.6
- http://search.luky.org/linux-kernel.2002/msg24003.html
- http://search.luky.org/linux-kernel.2002/msg24992.html
- http://www.cs.helsinki.fi/linux/linux-kernel/2002-15/0628.html
- http://www.cs.helsinki.fi/linux/linux-kernel/2002-15/0760.html
- http://linux.bkbits.net:8080/linux-2.4/diffs/arch/i386/kernel/i387.c%401.6
- http://search.luky.org/linux-kernel.2002/msg24003.html
- http://search.luky.org/linux-kernel.2002/msg24992.html
- http://www.cs.helsinki.fi/linux/linux-kernel/2002-15/0628.html
- http://www.cs.helsinki.fi/linux/linux-kernel/2002-15/0760.html