CVE-2017-7487: debian debian_linux Use After Free
Vulnerability summary
CVE-2017-7487 is a high (CVSS 7.8) Use After Free vulnerability in debian debian_linux. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 32% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 15 · Related 10Timeline
- 14-05-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The ipxitf_ioctl function in net/ipx/af_ipx.c in the Linux kernel through 4.11.1 mishandles reference counts, which allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a failed SIOCGIFADDR ioctl call for an IPX interface.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
32%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.38% 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.
Ubuntu16 products
- linux< 3.13.0-129.178 | < 4.4.0-83.106
- linux-aws< 4.4.0-1022.31
- linux-azureAll versions (No fix recorded)
- linux-azure-fdeAll versions (No fix recorded)
- linux-gcpAll versions (No fix recorded)
Debian2 products
- linux< 4.9.30-1
- debian_linuxEOL8.0 | 9.0
Linux1 product
- linux_kernel< 3.2.89 | ≥ 3.3, < 3.16.44 | ≥ 3.17, < 3.18.55 | ≥ 3.19, < 4.1.41 | ≥ 4.2, < 4.4.70 | ≥ 4.5, < 4.9.30 | ≥ 4.10, < 4.11.3
3 vendors · 19 products
References
18 links- github.com/torvalds/linux/commit/ee0d8d8482345ff97a75a7d747efc309f13b0d80X Refsource CONFIRMIssue TrackingPatchVendor Advisory
