CVE-2018-7480: canonical ubuntu_linux Double Free
Vulnerability summary
CVE-2018-7480 is a high (CVSS 7.8) Double Free vulnerability in canonical ubuntu_linux. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 28.9% 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 9 · Related 8Timeline
- 25-02-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The blkcg_init_queue function in block/blk-cgroup.c in the Linux kernel before 4.11 allows local users to cause a denial of service (double free) or possibly have unspecified other impact by triggering a creation failure.
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
0.35%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.35% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not 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.
Ubuntu15 products
- linux< 4.4.0-127.153
- linux-aws< 4.4.0-1022.22 | < 4.4.0-1060.69
- linux-azure-fdeAll versions (No fix recorded)
- linux-fips< 4.4.0-1008.10
- linux-gcp< 4.13.0-1002.5
Debian2 products
- linux< 4.11.6-1
- debian_linuxEOL9.0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04
Linux1 product
- linux_kernel≥ 4.1.41, < 4.1.51 | ≥ 4.3, < 4.4.123 | ≥ 4.5, < 4.9.89 | ≥ 4.10, < 4.11
4 vendors · 19 products
References
12 links- github.com/torvalds/linux/commit/9b54d816e00425c3a517514e0d677bb3cec49258X Refsource MISCPatchVendor AdvisoryREPORT