{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"fbe6f40caeebb0b1ea9dfedc259124c1d3cda7a6","status":"affected","version":"5314987de5e5f5e38436ef4a69328bc472bbd63e","versionType":"git"},{"lessThan":"ca4483f36ac1b62e69f8b182c5b8f059e0abecfb","status":"affected","version":"5314987de5e5f5e38436ef4a69328bc472bbd63e","versionType":"git"},{"lessThan":"e3fd54f8b0317fbccc103961ddd660f2a32dcf0b","status":"affected","version":"5314987de5e5f5e38436ef4a69328bc472bbd63e","versionType":"git"},{"lessThan":"adb25339b66112393fd6892ceff926765feb5b86","status":"affected","version":"5314987de5e5f5e38436ef4a69328bc472bbd63e","versionType":"git"},{"lessThan":"d5d01f24bc6fbde40b4e567ef9160194b61267bc","status":"affected","version":"5314987de5e5f5e38436ef4a69328bc472bbd63e","versionType":"git"},{"lessThan":"e89e2b97253c124d37bf88e96e5e8ce5c3aeeec3","status":"affected","version":"5314987de5e5f5e38436ef4a69328bc472bbd63e","versionType":"git"},{"lessThan":"15650dfbaeeb14bcaaf053b93cf631db8d465300","status":"affected","version":"5314987de5e5f5e38436ef4a69328bc472bbd63e","versionType":"git"},{"lessThan":"b341c1176f2e001b3adf0b47154fc31589f7410e","status":"affected","version":"5314987de5e5f5e38436ef4a69328bc472bbd63e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"4.10"},{"lessThan":"4.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.131","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.80","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.21","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","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","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","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","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","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","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","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","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]}],"cveId":"CVE-2026-31485","cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nspi: spi-fsl-lpspi: fix teardown order issue (UAF)\n\nThere is a teardown order issue in the driver. The SPI controller is\nregistered using devm_spi_register_controller(), which delays\nunregistration of the SPI controller until after the fsl_lpspi_remove()\nfunction returns.\n\nAs the fsl_lpspi_remove() function synchronously tears down the DMA\nchannels, a running SPI transfer triggers the following NULL pointer\ndereference due to use after free:\n\n| fsl_lpspi 42550000.spi: I/O Error in DMA RX\n| Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n[...]\n| Call trace:\n|  fsl_lpspi_dma_transfer+0x260/0x340 [spi_fsl_lpspi]\n|  fsl_lpspi_transfer_one+0x198/0x448 [spi_fsl_lpspi]\n|  spi_transfer_one_message+0x49c/0x7c8\n|  __spi_pump_transfer_message+0x120/0x420\n|  __spi_sync+0x2c4/0x520\n|  spi_sync+0x34/0x60\n|  spidev_message+0x20c/0x378 [spidev]\n|  spidev_ioctl+0x398/0x750 [spidev]\n[...]\n\nSwitch from devm_spi_register_controller() to spi_register_controller() in\nfsl_lpspi_probe() and add the corresponding spi_unregister_controller() in\nfsl_lpspi_remove().","epss":{"date":"2026-11-05","percentile":0.02736,"score":0.00131},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793915101444,"publishedAt":1776866050892,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/fbe6f40caeebb0b1ea9dfedc259124c1d3cda7a6"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/ca4483f36ac1b62e69f8b182c5b8f059e0abecfb"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/e3fd54f8b0317fbccc103961ddd660f2a32dcf0b"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/adb25339b66112393fd6892ceff926765feb5b86"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/d5d01f24bc6fbde40b4e567ef9160194b61267bc"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/e89e2b97253c124d37bf88e96e5e8ce5c3aeeec3"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/15650dfbaeeb14bcaaf053b93cf631db8d465300"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/b341c1176f2e001b3adf0b47154fc31589f7410e"},{"source":"ADP: siemens-SADP","tags":[],"url":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html"},{"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"}],"remediation":[],"revision":"04e9889ad2cc5ea74b4efbdfd6cafa08f3facf4faece8e0494a55b15ba5e6754","sources":[{"modifiedAt":1793915101444,"name":"CNA: Linux","retrievedAt":1793917060281,"url":"https://www.cve.org/CVERecord?id=CVE-2026-31485"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793917074155,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-31485"}],"ssvc":{"assessedAt":1793914490422,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"spi: spi-fsl-lpspi: fix teardown order issue (UAF)","updatedAt":1793917074155}