Vulnerability Details : CVE-2019-19815
Potential exploit
In the Linux kernel 5.0.21, mounting a crafted f2fs filesystem image can cause a NULL pointer dereference in f2fs_recover_fsync_data in fs/f2fs/recovery.c. This is related to F2FS_P_SB in fs/f2fs/f2fs.h.
Vulnerability category: Memory Corruption
Products affected by CVE-2019-19815
- cpe:2.3:o:linux:linux_kernel:5.0.21:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-19815
0.97%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-19815
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.1
|
HIGH | AV:N/AC:M/Au:N/C:N/I:N/A:C |
8.6
|
6.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2019-19815
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-19815
-
https://github.com/torvalds/linux/commit/4969c06a0d83c9c3dc50b8efcdc8eeedfce896f6#diff-41a7fa4590d2af87e82101f2b4dadb56
f2fs: support swap file w/ DIO · torvalds/linux@4969c06 · GitHubPatch;Third Party Advisory
-
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19815
CVE/CVE-2019-19815 at master · bobfuzzer/CVE · GitHubExploit;Third Party Advisory
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https://security.netapp.com/advisory/ntap-20200103-0001/
December 2019 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product Security
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