CVE-2019-19927: linux linux_kernel Out-of-bounds Read
Vulnerability summary
CVE-2019-19927 is a medium (CVSS 6.0) Out-of-bounds Read vulnerability in linux linux_kernel. EPSS estimates a 0.75% chance of exploitation in the next 30 days, higher than 54.1% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 7 · Related 7Timeline
- 31-12-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In the Linux kernel 5.0.0-rc7 (as distributed in ubuntu/linux.git on kernel.ubuntu.com), mounting a crafted f2fs filesystem image and performing some operations can lead to slab-out-of-bounds read access in ttm_put_pages in drivers/gpu/drm/ttm/ttm_page_alloc.c. This is related to the vmwgfx or ttm module.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.0MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.0MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
EPSS trend
Probability
0.75%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
0.00 pp
From 0.75% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundCve
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Ubuntu25 products
- linux< 4.15.0-60.67
- linux-aws< 4.15.0-1047.49
- linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
- linux-aws-hwe< 4.15.0-1047.49~16.04.1
- linux-azure< 4.15.0-1059.64~14.04.1 | < 4.15.0-1056.61 | < 5.0.0-1014.14~18.04.1
Debian1 product
- linux< 5.2.6-1
Linux1 product
- linux_kernel5.0:rc7
Opensuse1 product
- leapEOL15.1
4 vendors · 28 products
References
9 links- github.com/torvalds/linux/commit/a66477b0efe511d98dde3e4aaeb189790e6f0a39X Refsource MISCREPORTPatchThird Party Advisory
- github.com/bobfuzzer/CVE/tree/master/CVE-2019-19927X Refsource MISCREPORTExploitThird Party Advisory
- github.com/torvalds/linux/commit/ac1e516d5a4c56bf0cb4a3dfc0672f689131cfd4X Refsource MISCREPORTPatchThird Party Advisory
- github.com/torvalds/linux/commit/453393369dc9806d2455151e329c599684762428X Refsource MISCREPORTPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
