CVE-2017-16527: canonical ubuntu_linux Use After Free
Vulnerability summary
CVE-2017-16527 is a high (CVSS 7.2) Use After Free vulnerability in canonical ubuntu_linux. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 33.7% of scored vulnerabilities.
Not severe (CVSS 6.6, physical access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 10 · Related 9Timeline
- 04-11-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
sound/usb/mixer.c in the Linux kernel before 4.13.8 allows local users to cause a denial of service (snd_usb_mixer_interrupt use-after-free and system crash) or possibly have unspecified other impact via a crafted USB device.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated6.6MediumCVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated6.6MediumCVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.40%
Chance of exploitation in the next 30 days
Percentile
34%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.40% 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: physical access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu20 products
- linux< 3.13.0-157.207 | < 4.4.0-101.124
- linux-aws< 4.4.0-1003.3 | < 4.4.0-1041.50
- linux-azure< 4.13.0-1005.7
- linux-azure-6.11All versions (No fix recorded)
- linux-azure-fdeAll versions (No fix recorded)
Debian2 products
- linux< 4.13.10-1
- debian_linuxEOL7.0
Canonical1 product
- ubuntu_linuxEOL14.04
Linux1 product
- linux_kernel< 3.2.95 | ≥ 3.3, < 3.16.50 | ≥ 3.17, < 3.18.76 | ≥ 3.19, < 4.1.46 | ≥ 4.2, < 4.4.93 | ≥ 4.5, < 4.9.57 | ≥ 4.10, < 4.13.8
4 vendors · 24 products
References
12 links- github.com/torvalds/linux/commit/124751d5e63c823092060074bd0abaae61aaa9c4X Refsource MISCPatchThird Party AdvisoryREPORT
lists.debian.org/debian-lts-announce/2017/12/msg00004.htmlMailing ListX Refsource MLISTThird Party Advisory- groups.google.com/d/msg/syzkaller/jf7GTr_g2CU/iVlLhMciCQAJX Refsource MISCThird Party AdvisoryREPORT