CVE-2017-5550: linux linux_kernel
Vulnerability summary
CVE-2017-5550 is a medium (CVSS 5.5) vulnerability in linux linux_kernel. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 36% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 06-02-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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 opportunistic circumstances by reading from a pipe after an incorrect buffer-release decision.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
36%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.42% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu8 products
- linux< 4.13.0-16.19
- linux-aws< 4.15.0-1001.1
- linux-azure< 4.15.0-1023.24~14.04.1 | < 4.11.0-1009.9 | < 4.15.0-1002.2
- linux-gcp< 4.10.0-1004.4 | < 4.15.0-1001.1
- linux-hwe< 4.10.0-27.30~16.04.2
Debian1 product
- linux< 4.9.6-1
Linux1 product
- linux_kernel≤ 4.9.4
3 vendors · 10 products
References
11 links- www.openwall.com/lists/oss-security/2017/01/21/3Mailing ListX Refsource MLISTPatchThird Party Advisory
- github.com/torvalds/linux/commit/b9dc6f65bc5e232d1c05fe34b5daadc7e8bbf1fbX Refsource CONFIRMIssue TrackingPatchThird Party Advisory
