CVE-2017-16648: linux linux_kernel Use After Free
Vulnerability summary
CVE-2017-16648 is a high (CVSS 7.2) Use After Free vulnerability in linux linux_kernel. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 32.4% 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 3 · Related 2Timeline
- 07-11-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The dvb_frontend_free function in drivers/media/dvb-core/dvb_frontend.c in the Linux kernel through 4.13.11 allows local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via a crafted USB device. NOTE: the function was later renamed __dvb_frontend_free.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.6MediumCVSS:3.0/AV:P/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 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: physical access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu3 products
- linux-azure< 4.15.0-1023.24~14.04.1 | < 4.15.0-1013.13~16.04.2
- linux-gcp< 4.15.0-1014.14~16.04.1
- linux-hwe< 4.15.0-24.26~16.04.1
Linux1 product
- linux_kernel≤ 4.13.11
2 vendors · 4 products
References
6 links- groups.google.com/d/msg/syzkaller/0HJQqTm0G_g/T931ItskBAAJX Refsource MISCMailing ListThird Party AdvisoryREPORT