CVEvulnerability
CVE-2019-19448
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2019-12-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-416
Description
In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in try_merge_free_space in fs/btrfs/free-space-cache.c because the pointer to a left data structure can be the same as the pointer to a right data structure.
Affected configurations
• linux linux kernel (>= 2.6.31 < 4.4.233)
• linux linux kernel (>= 4.5.0 < 4.9.233)
• linux linux kernel (>= 4.10 < 4.14.194)
• linux linux kernel (>= 4.15 < 4.19.141)
• linux linux kernel (>= 4.20 < 5.4.60)
• linux linux kernel (>= 5.5.0 < 5.7.17)
• linux linux kernel (>= 5.8 < 5.8.3)
• debian debian linux 9.0
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• netapp active iq unified manager
• netapp cloud backup
• netapp data availability services
• netapp hci management node
• netapp solidfire
• netapp steelstore cloud integrated storage
• netapp a700s firmware
• netapp fas 8300 firmware
• netapp fas 8700 firmware
• netapp fas a400 firmware
• netapp aff 8300 firmware
• netapp aff 8700 firmware
• netapp aff a400 firmware
• netapp h610s firmware
• netapp solidfire baseboard management controller firmware
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19448 Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200103-0001/ Third Party Advisory
- https://usn.ubuntu.com/4578-1/ Third Party Advisory
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19448 Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200103-0001/ Third Party Advisory
- https://usn.ubuntu.com/4578-1/ Third Party Advisory