5.5

CVE-2019-18885

Exploit
fs/btrfs/volumes.c in the Linux kernel before 5.1 allows a btrfs_verify_dev_extents NULL pointer dereference via a crafted btrfs image because fs_devices->devices is mishandled within find_device, aka CID-09ba3bc9dd15.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 5.1
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.22% 0.646
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 2.1 3.9 2.9
AV:L/AC:L/Au:N/C:N/I:N/A:P
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://www.oracle.com/security-alerts/cpuApr2021.html
https://usn.ubuntu.com/4258-1/
https://usn.ubuntu.com/4287-1/
https://usn.ubuntu.com/4287-2/
https://usn.ubuntu.com/4254-1/
https://usn.ubuntu.com/4254-2/
https://security.netapp.com/advisory/ntap-20191205-0001/
https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html
http://packetstormsecurity.com/files/156185/Kernel-Live-Patch-Security-Notice-LSN-0062-1.html
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=09ba3bc9dd150457c506e4661380a6183af651c1
Patch
Third Party Advisory
https://github.com/bobfuzzer/CVE-2019-18885
Third Party Advisory
Exploit
https://github.com/torvalds/linux/commit/09ba3bc9dd150457c506e4661380a6183af651c1
Patch
Third Party Advisory