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CVE-2022-34918 An issue was discovered in the Linux kernel through 5.18.9
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| n/a | Versions not published | |
| SIMATIC S7-1500 TM MFP - GNU/Linux subsystem 1.1 | earliest → < 1.1 | 1.1 |
References
- git.kernel.org git.kernel.org
- lore.kernel.org lore.kernel.org
- www.openwall.com www.openwall.com
- [oss-security] 20220705 Re: Linux kernel: Netfilter heap buffer overflow in nft_set_elem_init www.openwall.com
- www.randorisec.fr www.randorisec.fr
- DSA-5191 www.debian.org
- [oss-security] 20220806 Re: Linux kernel: Netfilter heap buffer overflow in nft_set_elem_init www.openwall.com
- security.netapp.com security.netapp.com
- packetstormsecurity.com packetstormsecurity.com
- packetstormsecurity.com packetstormsecurity.com
Timeline
- Published
- Last modified
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