CVE-2017-5550
Off-by-one error in the pipe_advance function in lib/iov_iter.c in the Linux kernel before 4.9.5 allows local users to obtain sensitive information from uninitialized heap-memory locations in
02 Description
Off-by-one error in the pipe_advance function in lib/iov_iter.c in the Linux kernel before 4.9.5 allows local users to obtain sensitive information from uninitialized heap-memory locations in
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.41% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 35.7% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2017-02-06 06:04Z9 YR AGO
- Last updated
- 2024-08-05 15:04Z2 YR AGO
- Reserved
- 2017-01-20
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
- Data version
- 5.1
- Document digest
- bf8128af272a0feaa4e9683ddb95759da382853a21874dec6db0193c3c97be37
05 Affected products
06 References
- www.openwall.com[oss-security] 20170120 Re: CVE REQUEST: linux kernel: process with pgid zero able to crash kernelhttp://www.openwall.com/lists/oss-security/2017/01/21/3
- git.kernel.orghttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9dc6f65bc5e232d1c05fe34b5daadc7e8bbf1fb
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1416116
- www.securityfocus.com95716http://www.securityfocus.com/bid/95716
- github.comhttps://github.com/torvalds/linux/commit/b9dc6f65bc5e232d1c05fe34b5daadc7e8bbf1fb
- www.kernel.orghttp://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5
07 Fixed in
Debian 12
- linux Fixed in 4.9.6-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- linux Fixed in 4.9.6-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- linux Fixed in 4.9.6-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.