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CVE-2022-34918 Details

Description

An issue was discovered in the Linux kernel through 5.18.9. A type confusion bug in nft_set_elem_init (leading to a buffer overflow) could be used by a local attacker to escalate privileges, a different vulnerability than CVE-2022-32250. (The attacker can obtain root access, but must start with an unprivileged user namespace to obtain CAP_NET_ADMIN access.) This can be fixed in nft_setelem_parse_data in net/netfilter/nf_tables_api.c.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://packetstormsecurity.com/files/168191/Kernel-Live-Patch-Security-Notice-LSN-0089-1.html	CVE	Third Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/168543/Netfilter-nft_set_elem_init-Heap-Overflow-Privilege-Escalation.html	CVE	ExploitThird Party AdvisoryVDB Entry
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=7e6bc1f6cabcd30aba0b11219d8e01b952eacbb6	CVE	Mailing ListPatchVendor Advisory
https://lore.kernel.org/netfilter-devel/cd9428b6-7ffb-dd22-d949-d86f4869f452%40randorisec.fr/T/#u	CVE
https://security.netapp.com/advisory/ntap-20220826-0004/	CVE	Third Party Advisory
https://www.debian.org/security/2022/dsa-5191	CVE	Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/07/02/3	CVE	ExploitMailing ListThird Party Advisory
https://www.randorisec.fr/crack-linux-firewall/	CVE	ExploitThird Party Advisory
http://www.openwall.com/lists/oss-security/2022/07/05/1	CVE	ExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2022/08/06/5	CVE	Mailing ListThird Party Advisory
http://packetstormsecurity.com/files/168191/Kernel-Live-Patch-Security-Notice-LSN-0089-1.html	[email protected]	Third Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/168543/Netfilter-nft_set_elem_init-Heap-Overflow-Privilege-Escalation.html	[email protected]	ExploitThird Party AdvisoryVDB Entry
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=7e6bc1f6cabcd30aba0b11219d8e01b952eacbb6	[email protected]	Mailing ListPatchVendor Advisory
https://lore.kernel.org/netfilter-devel/cd9428b6-7ffb-dd22-d949-d86f4869f452%40randorisec.fr/T/#u	[email protected]
https://security.netapp.com/advisory/ntap-20220826-0004/	[email protected]	Third Party Advisory
https://www.debian.org/security/2022/dsa-5191	[email protected]	Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/07/02/3	[email protected]	ExploitMailing ListThird Party Advisory
https://www.randorisec.fr/crack-linux-firewall/	[email protected]	ExploitThird Party Advisory
http://www.openwall.com/lists/oss-security/2022/07/05/1	[email protected]	ExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2022/08/06/5	[email protected]	Mailing ListThird Party Advisory

see all 20 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-843	Access of Resource Using Incompatible Type ('Type Confusion')	[email protected]

Affected Products

Product	Versions
linux linux kernel	>= 4.1, < 4.14.316 >= 4.15, < 4.19.284 >= 4.20, < 5.4.244 >= 5.5, < 5.10.130 >= 5.11, < 5.15.54
CPE cpe:2.3:o:linux:linux_kernel:::::::: Remediation No remediation found in references.
debian debian linux	11.0
CPE cpe:2.3:o:debian:debian_linux:11.0:::::::* Remediation No remediation found in references.
canonical ubuntu linux	14.04 16.04 18.04 20.04 22.04
CPE cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts::: cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm::: cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts::: cpe:2.3:o:canonical:ubuntu_linux:20.04::::lts::: cpe:2.3:o:canonical:ubuntu_linux:22.04::::lts::: Remediation No remediation found in references.
netapp h300s firmware	All versions
CPE cpe:2.3:o:netapp:h300s_firmware:-:::::::* Remediation No remediation found in references.
netapp h300s	All versions
CPE cpe:2.3:h:netapp:h300s:-:::::::* Remediation No remediation found in references.
netapp h500s firmware	All versions
CPE cpe:2.3:o:netapp:h500s_firmware:-:::::::* Remediation No remediation found in references.
netapp h500s	All versions
CPE cpe:2.3:h:netapp:h500s:-:::::::* Remediation No remediation found in references.
netapp h700s firmware	All versions
CPE cpe:2.3:o:netapp:h700s_firmware:-:::::::* Remediation No remediation found in references.
netapp h700s	All versions
CPE cpe:2.3:h:netapp:h700s:-:::::::* Remediation No remediation found in references.
netapp h410s firmware	All versions
CPE cpe:2.3:o:netapp:h410s_firmware:-:::::::* Remediation No remediation found in references.
netapp h410s	All versions
CPE cpe:2.3:h:netapp:h410s:-:::::::* Remediation No remediation found in references.
netapp h410c firmware	All versions
CPE cpe:2.3:o:netapp:h410c_firmware:-:::::::* Remediation No remediation found in references.
netapp h410c	All versions
CPE cpe:2.3:h:netapp:h410c:-:::::::* Remediation No remediation found in references.

Change History

15 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Sep 12, 2023	Reanalysis	[email protected]
May 16, 2023	Reanalysis	[email protected]
Oct 26, 2022	Modified Analysis	[email protected]
Sep 28, 2022	CVE Modified	[email protected]
Aug 30, 2022	CVE Modified	[email protected]
Aug 26, 2022	CVE Modified	[email protected]
Aug 6, 2022	CVE Modified	[email protected]
Jul 27, 2022	CVE Modified	[email protected]
Jul 21, 2022	CVE Modified	[email protected]
Jul 13, 2022	Initial Analysis	[email protected]
Jul 5, 2022	CVE Modified	[email protected]

CVE-2022-34918 Details

Description

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