{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2025-22056", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-22056", "idYear": 2025, "status": "PUBLISHED", "publishedAt": "2025-04-16T14:12:13.440Z", "updatedAt": "2026-10-15T01:05:24.393Z", "importedAt": "2026-10-24T01:57:29.455Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "netfilter: nft_tunnel: fix geneve_opt type confusion addition", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_tunnel: fix geneve_opt type confusion addition\n\nWhen handling multiple NFTA_TUNNEL_KEY_OPTS_GENEVE attributes, the\nparsing logic should place every geneve_opt structure one by one\ncompactly. Hence, when deciding the next geneve_opt position, the\npointer addition should be in units of char *.\n\nHowever, the current implementation erroneously does type conversion\nbefore the addition, which will lead to heap out-of-bounds write.\n\n[ 6.989857] ==================================================================\n[ 6.990293] BUG: KASAN: slab-out-of-bounds in nft_tunnel_obj_init+0x977/0xa70\n[ 6.990725] Write of size 124 at addr ffff888005f18974 by task poc/178\n[ 6.991162]\n[ 6.991259] CPU: 0 PID: 178 Comm: poc-oob-write Not tainted 6.1.132 #1\n[ 6.991655] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014\n[ 6.992281] Call Trace:\n[ 6.992423] \n[ 6.992586] dump_stack_lvl+0x44/0x5c\n[ 6.992801] print_report+0x184/0x4be\n[ 6.993790] kasan_report+0xc5/0x100\n[ 6.994252] kasan_check_range+0xf3/0x1a0\n[ 6.994486] memcpy+0x38/0x60\n[ 6.994692] nft_tunnel_obj_init+0x977/0xa70\n[ 6.995677] nft_obj_init+0x10c/0x1b0\n[ 6.995891] nf_tables_newobj+0x585/0x950\n[ 6.996922] nfnetlink_rcv_batch+0xdf9/0x1020\n[ 6.998997] nfnetlink_rcv+0x1df/0x220\n[ 6.999537] netlink_unicast+0x395/0x530\n[ 7.000771] netlink_sendmsg+0x3d0/0x6d0\n[ 7.001462] __sock_sendmsg+0x99/0xa0\n[ 7.001707] ____sys_sendmsg+0x409/0x450\n[ 7.002391] ___sys_sendmsg+0xfd/0x170\n[ 7.003145] __sys_sendmsg+0xea/0x170\n[ 7.004359] do_syscall_64+0x5e/0x90\n[ 7.005817] entry_SYSCALL_64_after_hwframe+0x6e/0xd8\n[ 7.006127] RIP: 0033:0x7ec756d4e407\n[ 7.006339] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 faf\n[ 7.007364] RSP: 002b:00007ffed5d46760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e\n[ 7.007827] RAX: ffffffffffffffda RBX: 00007ec756cc4740 RCX: 00007ec756d4e407\n[ 7.008223] RDX: 0000000000000000 RSI: 00007ffed5d467f0 RDI: 0000000000000003\n[ 7.008620] RBP: 00007ffed5d468a0 R08: 0000000000000000 R09: 0000000000000000\n[ 7.009039] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000\n[ 7.009429] R13: 00007ffed5d478b0 R14: 00007ec756ee5000 R15: 00005cbd4e655cb8\n\nFix this bug with correct pointer addition and conversion in parse\nand dump code.", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "925d844696d9287f841d6b3e0ed62a35fb175970", "status": "affected", "versionType": "git", "lessThan": "31d49eb436f2da61280508d7adf8c9b473b967aa" }, { "version": "925d844696d9287f841d6b3e0ed62a35fb175970", "status": "affected", "versionType": "git", "lessThan": "ca2adfc03cd6273f0b589fe65afc6f75e0fe116e" }, { "version": "925d844696d9287f841d6b3e0ed62a35fb175970", "status": "affected", "versionType": "git", "lessThan": "a263d31c8c92e5919d41af57d9479cfb66323782" }, { "version": "925d844696d9287f841d6b3e0ed62a35fb175970", "status": "affected", "versionType": "git", "lessThan": "28d88ee1e1cc8ac2d79aeb112717b97c5c833d43" }, { "version": "925d844696d9287f841d6b3e0ed62a35fb175970", "status": "affected", "versionType": "git", "lessThan": "0a93a710d6df334b828ea064c6d39fda34f901dc" }, { "version": "925d844696d9287f841d6b3e0ed62a35fb175970", "status": "affected", "versionType": "git", "lessThan": "446d94898c560ed2f61e26ae445858a4c4830762" }, { "version": "925d844696d9287f841d6b3e0ed62a35fb175970", "status": "affected", "versionType": "git", "lessThan": "708e268acb3a446ad2a8a3d2e9bd41cc23660cd6" }, { "version": "925d844696d9287f841d6b3e0ed62a35fb175970", "status": "affected", "versionType": "git", "lessThan": "1b755d8eb1ace3870789d48fbd94f386ad6e30be" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.7", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.7" }, { "version": "5.10.236", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.180", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.134", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.87", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.12.23", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.13.11", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.13.*" }, { "version": "6.14.2", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.14.*" }, { "version": "6.15", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }