High severity · published Nov 29, 2019
CVE-2019-19377
In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and unmounting can lead to a use-after-free in btrfs_queue_work in…
7.8
CVSS
3.4%
EPSS
No
On KEV
Description
In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and unmounting can lead to a use-after-free in btrfs_queue_work in fs/btrfs/async-thread.c.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.4% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
2.6.12 before 4.19.156; 4.20 before 5.4.33; 5.5.0 before 5.5.18; 5.6 before 5.6.5 · source: NVD
AI
Active IQ Unified Manager · Netapp
All versions, or not specified · source: NVD
CB
Cloud Backup · Netapp
All versions, or not specified · source: NVD
SB
Solidfire Baseboard Management Controller · Netapp
All versions, or not specified · source: NVD
SC
Steelstore Cloud Integrated Storage · Netapp
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-19377
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-19377
Exploit
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19377
Mailing List
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
Third Party Advisory
https://security.netapp.com/advisory/ntap-20200103-0001/
Third Party Advisory
https://usn.ubuntu.com/4367-1/
Third Party Advisory
https://usn.ubuntu.com/4369-1/
Third Party Advisory
https://usn.ubuntu.com/4414-1/
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