{"id":"CVE-2026-90056","state":"PUBLISHED","title":"net: fec: only stop PTP if it was initialized","description":"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() 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.","publishedAt":"2026-09-17T16:05:41.003Z","updatedAt":"2026-10-19T08:57:13.609Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"32cba57ba74be58589aeb4cb6496183e46a5e3e5","status":"affected","lessThan":"0dc8b3a395c3a749ab62c078f2fd54a402ae7e2b","versionType":"git"},{"version":"32cba57ba74be58589aeb4cb6496183e46a5e3e5","status":"affected","lessThan":"1973f108c481fab9bdc7daa6c77442af4a7388ab","versionType":"git"},{"version":"32cba57ba74be58589aeb4cb6496183e46a5e3e5","status":"affected","lessThan":"0602a4c238d2b6ed6e2bf5fa8ef7fa0203883dac","versionType":"git"},{"version":"32cba57ba74be58589aeb4cb6496183e46a5e3e5","status":"affected","lessThan":"7566789664813c1778f0d4b7e0539fd863ea450c","versionType":"git"},{"version":"32cba57ba74be58589aeb4cb6496183e46a5e3e5","status":"affected","lessThan":"383f699a86fd04458dc47d10578c17e94f63d92f","versionType":"git"},{"version":"32cba57ba74be58589aeb4cb6496183e46a5e3e5","status":"affected","lessThan":"1f9639caeece703012bdb23975ebedf70f426269","versionType":"git"},{"version":"32cba57ba74be58589aeb4cb6496183e46a5e3e5","status":"affected","lessThan":"5975009651c4e5ec1492612962d0dd3dc86f6bda","versionType":"git"},{"version":"32cba57ba74be58589aeb4cb6496183e46a5e3e5","status":"affected","lessThan":"dd890ae29299636fb037276fc1b5238698d08b03","versionType":"git"},{"version":"9561b28349a22c808c3ce25eaed4d132104bafb7","status":"affected","versionType":"git"},{"version":"3.18.99","status":"affected","lessThan":"3.19","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/freescale/fec_main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.2","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/freescale/fec_main.c"]}],"references":["https://git.kernel.org/stable/c/0dc8b3a395c3a749ab62c078f2fd54a402ae7e2b","https://git.kernel.org/stable/c/1973f108c481fab9bdc7daa6c77442af4a7388ab","https://git.kernel.org/stable/c/0602a4c238d2b6ed6e2bf5fa8ef7fa0203883dac","https://git.kernel.org/stable/c/7566789664813c1778f0d4b7e0539fd863ea450c","https://git.kernel.org/stable/c/383f699a86fd04458dc47d10578c17e94f63d92f","https://git.kernel.org/stable/c/1f9639caeece703012bdb23975ebedf70f426269","https://git.kernel.org/stable/c/5975009651c4e5ec1492612962d0dd3dc86f6bda","https://git.kernel.org/stable/c/dd890ae29299636fb037276fc1b5238698d08b03"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/90xxx/CVE-2026-90056.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90056","state":"PUBLISHED","datePublished":"2026-09-17T16:05:41.003Z","dateUpdated":"2026-10-19T08:57:13.609Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.784Z"},"containers":{"cna":{"title":"net: fec: only stop PTP if it was initialized","descriptions":[{"lang":"en","value":"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() 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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"32cba57ba74be58589aeb4cb6496183e46a5e3e5","status":"affected","lessThan":"0dc8b3a395c3a749ab62c078f2fd54a402ae7e2b","versionType":"git"},{"version":"32cba57ba74be58589aeb4cb6496183e46a5e3e5","status":"affected","lessThan":"1973f108c481fab9bdc7daa6c77442af4a7388ab","versionType":"git"},{"version":"32cba57ba74be58589aeb4cb6496183e46a5e3e5","status":"affected","lessThan":"0602a4c238d2b6ed6e2bf5fa8ef7fa0203883dac","versionType":"git"},{"version":"32cba57ba74be58589aeb4cb6496183e46a5e3e5","status":"affected","lessThan":"7566789664813c1778f0d4b7e0539fd863ea450c","versionType":"git"},{"version":"32cba57ba74be58589aeb4cb6496183e46a5e3e5","status":"affected","lessThan":"383f699a86fd04458dc47d10578c17e94f63d92f","versionType":"git"},{"version":"32cba57ba74be58589aeb4cb6496183e46a5e3e5","status":"affected","lessThan":"1f9639caeece703012bdb23975ebedf70f426269","versionType":"git"},{"version":"32cba57ba74be58589aeb4cb6496183e46a5e3e5","status":"affected","lessThan":"5975009651c4e5ec1492612962d0dd3dc86f6bda","versionType":"git"},{"version":"32cba57ba74be58589aeb4cb6496183e46a5e3e5","status":"affected","lessThan":"dd890ae29299636fb037276fc1b5238698d08b03","versionType":"git"},{"version":"9561b28349a22c808c3ce25eaed4d132104bafb7","status":"affected","versionType":"git"},{"version":"3.18.99","status":"affected","lessThan":"3.19","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/freescale/fec_main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.2","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/freescale/fec_main.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/0dc8b3a395c3a749ab62c078f2fd54a402ae7e2b"},{"url":"https://git.kernel.org/stable/c/1973f108c481fab9bdc7daa6c77442af4a7388ab"},{"url":"https://git.kernel.org/stable/c/0602a4c238d2b6ed6e2bf5fa8ef7fa0203883dac"},{"url":"https://git.kernel.org/stable/c/7566789664813c1778f0d4b7e0539fd863ea450c"},{"url":"https://git.kernel.org/stable/c/383f699a86fd04458dc47d10578c17e94f63d92f"},{"url":"https://git.kernel.org/stable/c/1f9639caeece703012bdb23975ebedf70f426269"},{"url":"https://git.kernel.org/stable/c/5975009651c4e5ec1492612962d0dd3dc86f6bda"},{"url":"https://git.kernel.org/stable/c/dd890ae29299636fb037276fc1b5238698d08b03"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:57:13.609Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"7.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18.99"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}