CVE-2017-5549
The klsi_105_get_line_state function in drivers/usb/serial/kl5kusb105.c in the Linux kernel before 4.9.5 places uninitialized heap-memory contents into a log entry upon a failure to read the line status, which allows local users to obtain sensitive…
Does this matter?
Lower severity and a low EPSS score (0.45%). Track it; it rarely justifies an emergency change on its own.
Description
The klsi_105_get_line_state function in drivers/usb/serial/kl5kusb105.c in the Linux kernel before 4.9.5 places uninitialized heap-memory contents into a log entry upon a failure to read the line status, which allows local users to obtain sensitive information by reading the log.
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.45% probability · 39th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-532
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
EPSS 0.4% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=146cc8a17a3b4996f6805ee5c080e7101277c410Issue Tracking, Patch, Third Party Advisory
- http://www.debian.org/security/2017/dsa-3791
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5Release Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2017/01/21/3Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/95715Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1416114Issue Tracking, Patch
- https://github.com/torvalds/linux/commit/146cc8a17a3b4996f6805ee5c080e7101277c410Issue Tracking, Patch, Third Party Advisory
- https://usn.ubuntu.com/3754-1/
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=146cc8a17a3b4996f6805ee5c080e7101277c410Issue Tracking, Patch, Third Party Advisory
- http://www.debian.org/security/2017/dsa-3791
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5Release Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2017/01/21/3Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/95715Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1416114Issue Tracking, Patch
- https://github.com/torvalds/linux/commit/146cc8a17a3b4996f6805ee5c080e7101277c410Issue Tracking, Patch, Third Party Advisory
- https://usn.ubuntu.com/3754-1/
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.