High severity · published Feb 24, 2022
CVE-2022-25636
net/netfilter/nf_dup_netdev.c in the Linux kernel 5.4 through 5.6.10 allows local users to gain privileges because of a heap out-of-bounds write
7.8
CVSS
2.6%
EPSS
No
On KEV
Description
net/netfilter/nf_dup_netdev.c in the Linux kernel 5.4 through 5.6.10 allows local users to gain privileges because of a heap out-of-bounds write. This is related to nf_tables_offload.
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)2.6% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
5.4 before 5.4.182; 5.5 before 5.10.103; 5.11 before 5.15.26; 5.16 before 5.16.12 · source: NVD
CC
Communications Cloud Native Core Binding Support Function · Oracle
22.1.3 · source: NVD
CC
Communications Cloud Native Core Network Exposure Function · Oracle
22.1.1 · source: NVD
CC
Communications Cloud Native Core Policy · Oracle
22.2.0 · source: NVD
DL
Debian Linux · Debian
11.0 · source: NVD
H3
H300e · Netapp
All versions, or not specified · source: NVD
H3
H300s · Netapp
All versions, or not specified · source: NVD
H4
H410c · Netapp
All versions, or not specified · source: NVD
H4
H410s · Netapp
All versions, or not specified · source: NVD
H5
H500e · Netapp
All versions, or not specified · source: NVD
H5
H500s · Netapp
All versions, or not specified · source: NVD
H7
H700e · Netapp
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-25636
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-25636
Third Party Advisory
http://packetstormsecurity.com/files/166444/Kernel-Live-Patch-Security-Notice-LSN-0085-1.html
Mailing List
http://www.openwall.com/lists/oss-security/2022/02/22/1
Patch
https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf.git/commit/?id=b1a5983f56e371046dcf164f90bfaf704d2b89f6
Exploit
https://github.com/Bonfee/CVE-2022-25636
Exploit
https://nickgregory.me/linux/security/2022/03/12/cve-2022-25636/
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220325-0002/
More from Kernel
9.8
CVE-2025-39682
tls: fix handling of zero-length records on the rx_list
8.8
CVE-2026-53266
netfilter: bridge: make ebt_snat ARP rewrite writable
8.8
CVE-2013-6282
Linux Kernel Improper Input Validation Vulnerability
8.4
CVE-2022-0185
Linux Kernel Heap-Based Buffer Overflow Vulnerability
8.4
CVE-2013-2094
Linux Kernel Privilege Escalation Vulnerability