CVE-2019-19526: canonical ubuntu_linux Use After Free
CVSS: 4.9v2.0MediumModified
AliasesUBUNTU-CVE-2019-19526DEBIAN-CVE-2019-19526
Published 03-12-2019Last modified 05-08-2024
Vulnerability summary
CVE-2019-19526 is a medium (CVSS 4.9) Use After Free vulnerability in canonical ubuntu_linux. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 36.1% of scored vulnerabilities.
CVSS score
4.9/10
010
Medium · v2.0 (NVD)EPSS score
0.43%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 11 · Related 11Timeline
- 03-12-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In the Linux kernel before 5.3.9, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/nfc/pn533/usb.c driver, aka CID-6af3aa57a098.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 4.6Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · DebianEcosystem advisory · calculated4.6MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST4.6MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 4.9Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
0.43%
Chance of exploitation in the next 30 days
Percentile
36%
Versus all other CVEs
30-day change
0.00 pp
From 0.43% on 18-09-2026
18-09-202618-10-2026
EPSS score0.43%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu30 products
- linux< 4.15.0-72.81
- linux-aws< 4.15.0-1056.58
- linux-aws-5.0< 5.0.0-1023.26~18.04.1
- linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
- linux-aws-hwe< 4.15.0-1056.58~16.04.1
Canonical1 product
- ubuntu_linuxEOL18.04 | 19.04
Debian1 product
- linux< 5.3.9-1
Linux1 product
- linux_kernel< 5.3.9
Opensuse1 product
- leapEOL15.1
5 vendors · 34 products
References
10 links- www.openwall.com/lists/oss-security/2019/12/03/4Mailing ListX Refsource MLISTREPORTThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
