Azure Linux 3.0 Security Update: kernel (CVE-2025-38040)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-38040 advisory. - In the Linux kernel, the following vulnerability has been resolved: serial: mctrlgpio: split disablems into...

AZL-64016 CVE-2025-38040 affecting package kernel for versions less than 6.6.96.1-1

In the Linux kernel, the following vulnerability has been resolved: serial: mctrlgpio: split disablems into sync and nosync APIs The following splat has been observed on a SAMA5D27 platform using atmelserial: BUG: sleeping function called from invalid context at kernel/irq/manage.c:738 inatomic: ...

UBUNTU-CVE-2025-38040

In the Linux kernel, the following vulnerability has been resolved: serial: mctrlgpio: split disablems into sync and nosync APIs The following splat has been observed on a SAMA5D27 platform using atmelserial: BUG: sleeping function called from invalid context at kernel/irq/manage.c:738 inatomic: ...

CVE-2025-38040

CVE-2025-38040 affects the Linux kernel’s serial/mctrl_gpio path. The advisory reports a fix for a denial of service/privilege implications by splitting the disabling of modem lines (disable_ms) into two APIs: sync and no_sync, addressing a sleeping function being called from an atomic context (d...