{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: 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Linux","vendor":"Linux","versions":[{"status":"affected","version":"4.10"},{"lessThan":"4.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.143","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.94","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.36","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]}],"cpeConfigurations":[{"negate":false,"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.259","versionStartIncluding":"4.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.210","versionStartIncluding":"5.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.176","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.143","versionStartIncluding":"6.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.94","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.36","versionStartIncluding":"6.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.13","versionStartIncluding":"6.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:7.1:rc4:*:*:*:*:*:*","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:7.1:rc5:*:*:*:*:*:*","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:7.1:rc6:*:*:*:*:*:*","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:7.1:rc7:*:*:*:*:*:*","vulnerable":true}],"negate":false,"operator":"OR"}],"operator":"OR"}],"cveId":"CVE-2026-53134","cwes":["CWE-401"],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_fib: fix stale stack leak via the OIFNAME register\n\nFor NFT_FIB_RESULT_OIFNAME the destination register is declared with\nlen = IFNAMSIZ (four 32-bit registers), but on the lookup-fail,\nRTN_LOCAL and oif-mismatch paths nft_fib{4,6}_eval() only writes one\nregister via \"*dest = 0\". The remaining three registers are left as\nwhatever was on the stack in nft_do_chain()'s struct nft_regs, and a\ndownstream expression that loads the register span can leak that\nuninitialised kernel stack to userspace.\n\nThe NFTA_FIB_F_PRESENT existence check has the same shape: it is only\nmeaningful for NFT_FIB_RESULT_OIF, yet it was accepted for any result type\nwhile the eval stores a single byte via nft_reg_store8(), leaving the rest\nof the declared span stale.\n\nFix both:\n\n - replace the bare \"*dest = 0\" in the eval with nft_fib_store_result(),\n   which strscpy_pad()s the whole IFNAMSIZ for OIFNAME (and is already\n   used on the other early-return path), and\n\n - restrict NFTA_FIB_F_PRESENT to NFT_FIB_RESULT_OIF and declare its\n   destination as a single u8, so the marked span matches the one byte\n   the eval writes.","epss":{"date":"2026-11-09","percentile":0.02538,"score":0.00129},"exploits":[],"kev":null,"metrics":[{"score":5.5,"severity":"medium","source":"NVD: nvd@nist.gov","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1794314889653,"publishedAt":1782376703348,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/6744e49fe51bfba26522acc2d0e9703cb41d8e50"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/eca18feed38b3377a2ec5d1f22af1170c55d0171"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/d19ddef8c327a4773ff81f8e51027d1e0b4cf069"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/eb8a8124484dbc3c2b543e207da39bbccb703d31"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/8c84885e9790823828bb8084736ea15769b1ac16"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/84d8f58cf28a0415413f43ba7148f7bacd4c1b6e"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/3544210609f6d1db282bbdeca639104ef624c393"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/ab185e0c4fb82dfba6fb86f8271e06f931d9c64c"},{"source":"ADP: siemens-SADP","tags":[],"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html"},{"source":"ADP: siemens-SADP","tags":[],"url":"https://cert-portal.siemens.com/productcert/html/ssa-457936.html"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"url":"https://git.kernel.org/stable/c/3544210609f6d1db282bbdeca639104ef624c393"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"url":"https://git.kernel.org/stable/c/6744e49fe51bfba26522acc2d0e9703cb41d8e50"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"url":"https://git.kernel.org/stable/c/84d8f58cf28a0415413f43ba7148f7bacd4c1b6e"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"url":"https://git.kernel.org/stable/c/8c84885e9790823828bb8084736ea15769b1ac16"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"url":"https://git.kernel.org/stable/c/ab185e0c4fb82dfba6fb86f8271e06f931d9c64c"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"url":"https://git.kernel.org/stable/c/d19ddef8c327a4773ff81f8e51027d1e0b4cf069"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"url":"https://git.kernel.org/stable/c/eb8a8124484dbc3c2b543e207da39bbccb703d31"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"url":"https://git.kernel.org/stable/c/eca18feed38b3377a2ec5d1f22af1170c55d0171"},{"source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","tags":[],"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html"},{"source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","tags":[],"url":"https://cert-portal.siemens.com/productcert/html/ssa-457936.html"}],"remediation":[{"kind":"fix","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://git.kernel.org/stable/c/3544210609f6d1db282bbdeca639104ef624c393"},{"kind":"fix","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://git.kernel.org/stable/c/6744e49fe51bfba26522acc2d0e9703cb41d8e50"},{"kind":"fix","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://git.kernel.org/stable/c/84d8f58cf28a0415413f43ba7148f7bacd4c1b6e"},{"kind":"fix","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://git.kernel.org/stable/c/8c84885e9790823828bb8084736ea15769b1ac16"},{"kind":"fix","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://git.kernel.org/stable/c/ab185e0c4fb82dfba6fb86f8271e06f931d9c64c"},{"kind":"fix","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://git.kernel.org/stable/c/d19ddef8c327a4773ff81f8e51027d1e0b4cf069"},{"kind":"fix","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://git.kernel.org/stable/c/eb8a8124484dbc3c2b543e207da39bbccb703d31"},{"kind":"fix","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://git.kernel.org/stable/c/eca18feed38b3377a2ec5d1f22af1170c55d0171"}],"revision":"f189bbdbd788cea77613591f2b32abe05fb8692504b5966c389b1f786afc8b65","sources":[{"modifiedAt":1794314889653,"name":"CNA: Linux","retrievedAt":1794316684640,"url":"https://www.cve.org/CVERecord?id=CVE-2026-53134"},{"modifiedAt":1793985489280,"name":"NVD","retrievedAt":1793989422932,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53134"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794291367304,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-53134"}],"ssvc":{"assessedAt":1793982019628,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"netfilter: nft_fib: fix stale stack leak via the OIFNAME register","updatedAt":1794316684640}