CVE-2026-90056

Unknown

Description

In the Linux kernel, the following vulnerability has been resolved: net: fec: only stop PTP if it was initialized fec_ptp_init() is only called when fep->bufdesc_ex is available. However, fec_probe() unconditionally calls fec_ptp_stop() on the failed_init path, and fec_drv_remove() unconditionally calls fec_ptp_stop() during device removal. Check fep->bufdesc_ex before calling fec_ptp_stop() in both paths to avoid stopping PTP when it was not initialized.

SeverityUnknown
CVSS—
Exploit probability—
ProductLinux
PublishedSep 17, 2026
First seenSep 17, 2026

How to fix

Update
  • Linux Linux0dc8b3a395c3a749ab62c078f2fd54a402ae7e2b, 1973f108c481fab9bdc7daa6c77442af4a7388ab, 0602a4c238d2b6ed6e2bf5fa8ef7fa0203883dac, 7566789664813c1778f0d4b7e0539fd863ea450c, 383f699a86fd04458dc47d10578c17e94f63d92f, 1f9639caeece703012bdb23975ebedf70f426269, 5975009651c4e5ec1492612962d0dd3dc86f6bda, dd890ae29299636fb037276fc1b5238698d08b03, 3.19 or later

Affected products

ProductAffected versionsFixed in
Linux Linux32cba57ba74be58589aeb4cb6496183e46a5e3e5 ≤ v < 0dc8b3a395c3a749ab62c078f2fd54a402ae7e2b, 32cba57ba74be58589aeb4cb6496183e46a5e3e5 ≤ v < 1973f108c481fab9bdc7daa6c77442af4a7388ab, 32cba57ba74be58589aeb4cb6496183e46a5e3e5 ≤ v < 0602a4c238d2b6ed6e2bf5fa8ef7fa0203883dac, 32cba57ba74be58589aeb4cb6496183e46a5e3e5 ≤ v < 7566789664813c1778f0d4b7e0539fd863ea450c, 32cba57ba74be58589aeb4cb6496183e46a5e3e5 ≤ v < 383f699a86fd04458dc47d10578c17e94f63d92f, 32cba57ba74be58589aeb4cb6496183e46a5e3e5 ≤ v < 1f9639caeece703012bdb23975ebedf70f426269, 32cba57ba74be58589aeb4cb6496183e46a5e3e5 ≤ v < 5975009651c4e5ec1492612962d0dd3dc86f6bda, 32cba57ba74be58589aeb4cb6496183e46a5e3e5 ≤ v < dd890ae29299636fb037276fc1b5238698d08b03, 9561b28349a22c808c3ce25eaed4d132104bafb7, 3.18.99 ≤ v < 3.19, 4.20dc8b3a395c3a749ab62c078f2fd54a402ae7e2b, 1973f108c481fab9bdc7daa6c77442af4a7388ab, 0602a4c238d2b6ed6e2bf5fa8ef7fa0203883dac, 7566789664813c1778f0d4b7e0539fd863ea450c, 383f699a86fd04458dc47d10578c17e94f63d92f, 1f9639caeece703012bdb23975ebedf70f426269, 5975009651c4e5ec1492612962d0dd3dc86f6bda, dd890ae29299636fb037276fc1b5238698d08b03, 3.19

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