{"id":"CVE-2026-90056","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fec: only stop PTP if it was initialized\n\nfec_ptp_init() is only called when fep->bufdesc_ex is available.\nHowever, fec_probe() unconditionally calls fec_ptp_stop(…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fec: only stop PTP if it was initialized\n\nfec_ptp_init() is only called when fep->bufdesc_ex is available.\nHowever, fec_probe() unconditionally calls fec_ptp_stop(…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 32cba57ba74be58589aeb4cb6496183e46a5e3e5 < 0dc8b3a395c3a749ab62c078f2fd54a402ae7e2b","Linux >= 32cba57ba74be58589aeb4cb6496183e46a5e3e5 < 1973f108c481fab9bdc7daa6c77442af4a7388ab","Linux >= 32cba57ba74be58589aeb4cb6496183e46a5e3e5 < 0602a4c238d2b6ed6e2bf5fa8ef7fa0203883dac","Linux >= 32cba57ba74be58589aeb4cb6496183e46a5e3e5 < 7566789664813c1778f0d4b7e0539fd863ea450c","Linux >= 32cba57ba74be58589aeb4cb6496183e46a5e3e5 < 383f699a86fd04458dc47d10578c17e94f63d92f","Linux >= 32cba57ba74be58589aeb4cb6496183e46a5e3e5 < 1f9639caeece703012bdb23975ebedf70f426269","Linux >= 32cba57ba74be58589aeb4cb6496183e46a5e3e5 < 5975009651c4e5ec1492612962d0dd3dc86f6bda","Linux >= 32cba57ba74be58589aeb4cb6496183e46a5e3e5 < dd890ae29299636fb037276fc1b5238698d08b03","Linux 9561b28349a22c808c3ce25eaed4d132104bafb7","Linux >= 3.18.99 < 3.19","Linux 4.2"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:16:54.177","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90056","references":[{"url":"https://git.kernel.org/stable/c/0602a4c238d2b6ed6e2bf5fa8ef7fa0203883dac","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/0dc8b3a395c3a749ab62c078f2fd54a402ae7e2b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/1973f108c481fab9bdc7daa6c77442af4a7388ab","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/1f9639caeece703012bdb23975ebedf70f426269","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/383f699a86fd04458dc47d10578c17e94f63d92f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5975009651c4e5ec1492612962d0dd3dc86f6bda","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7566789664813c1778f0d4b7e0539fd863ea450c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/dd890ae29299636fb037276fc1b5238698d08b03","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-17T16:21:47.902Z","epss":0.00211,"epssPercentile":0.11591,"slug":"CVE-2026-90056","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet: fec: only stop PTP if it was initialized\n\nfec_ptp_init() is only called when fep->bufdesc_ex is available.\nHowever, fec_probe() unconditionally calls fec_ptp_stop() on the\nfailed_init path, and fec_drv_remove() unconditionally calls\nfec_ptp_stop() during device removal.\n\nCheck fep->bufdesc_ex before calling fec_ptp_stop() in both paths\nto avoid stopping PTP when it was not initialized.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}