CVE-2019-19768
Last modified
CVE-2019-19768 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In the Linux kernel 5.4.0-rc2, there is a use-after-free (read) in the __blk_add_trace function in kernel/trace/blktrace.c (which is used to fill out a blk_io_trace structure and place it in a per-cpu sub-buffer).. EPSS estimates a 4.15% chance of exploitation in the next 30 days.
Description
In the Linux kernel 5.4.0-rc2, there is a use-after-free (read) in the __blk_add_trace function in kernel/trace/blktrace.c (which is used to fill out a blk_io_trace structure and place it in a per-cpu sub-buffer).
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | 5.4.0 |
References
- https://bugzilla.kernel.org/show_bug.cgi?id=205711Issue Tracking, Vendor Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=205711Issue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Related CVEs from 2019
- CVE-2019-19762Rejected reason: Unused CVE for 2019
- CVE-2019-19763Rejected reason: Unused CVE for 2019
- CVE-2019-19764Rejected reason: Unused CVE for 2019
- CVE-2019-19765Rejected reason: Unused CVE for 2019
- CVE-2019-19766The Bitwarden server through 1.32.0 has a potentially unwant…7.5
- CVE-2019-19767The Linux kernel before 5.4.2 mishandles ext4_expand_extra_i…5.5
- CVE-2019-19769In the Linux kernel 5.3.10, there is a use-after-free (read)…6.7
- CVE-2019-1977A vulnerability within the Endpoint Learning feature of Cisc…6.8
- CVE-2019-19770In the Linux kernel 4.19.83, there is a use-after-free (read…8.2
- CVE-2019-19771The lodahs package 0.0.1 for Node.js is a Trojan horse, and …8.8
- CVE-2019-19772Various Lexmark products have reflected XSS in the embedded …5.4
- CVE-2019-19773Various Lexmark products have stored XSS in the embedded web…5.4
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