High severity · published Aug 24, 2022
CVE-2022-2978
A flaw use after free in the Linux kernel NILFS file system was found in the way user triggers function security_inode_alloc to fail with following call to function…
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
A flaw use after free in the Linux kernel NILFS file system was found in the way user triggers function security_inode_alloc to fail with following call to function nilfs_mdt_destroy. A local user could use this flaw to crash the system or potentially escalate their privileges on the system.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
Linux kernel 6.0-rc3 · source: vendor, NVD
DL
Debian Linux · Debian
10.0 · source: NVD
SS
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · Siemens
before V1.1 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-2978
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-2978
Mailing List
https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html
lore.kernel.org
https://lore.kernel.org/linux-fsdevel/20220816040859.659129-1-dzm91%40hust.edu.cn/T/#u
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-794697.html
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