CVE-2017-8924: debian debian_linux Integer Underflow (Wrap or Wraparound)
Vulnerability summary
CVE-2017-8924 is a medium (CVSS 4.6) Integer Underflow (Wrap or Wraparound) vulnerability in debian debian_linux. EPSS estimates a 0.48% chance of exploitation in the next 30 days, higher than 41.5% of scored vulnerabilities.
Not severe (CVSS 4.6, physical access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 10 · Related 8Timeline
- 12-05-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The edge_bulk_in_callback function in drivers/usb/serial/io_ti.c in the Linux kernel before 4.10.4 allows local users to obtain sensitive information (in the dmesg ringbuffer and syslog) from uninitialized kernel memory by using a crafted USB device (posing as an io_ti USB serial device) to trigger an integer underflow.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated4.6MediumCVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated4.6MediumCVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.48%
Chance of exploitation in the next 30 days
Percentile
42%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.48% on 05-10-2026
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, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu12 products
- linux< 3.13.0-125.174 | < 4.4.0-75.96
- linux-aws< 4.4.0-1016.25
- linux-azure-fdeAll versions (No fix recorded)
- linux-gke< 4.4.0-1012.12 | All versions (No fix recorded)
- linux-hwe< 4.10.0-32.36~16.04.1
Debian2 products
- linux< 4.9.16-1
- debian_linuxEOL8.0 | 9.0
Linux1 product
- linux_kernel≤ 4.10.3
3 vendors · 15 products
References
12 links- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.4X Refsource CONFIRMRelease NotesVendor AdvisoryREPORT
- github.com/torvalds/linux/commit/654b404f2a222f918af9b0cd18ad469d0c941a8eX Refsource CONFIRMIssue TrackingPatchThird Party AdvisoryREPORT
