In the Linux kernel, the following vulnerability has been resolved: spi: s3c64xx: fix NULL-deref on driver unbind A change moving DMA channel allocation from probe() back to s3c64xx_spi_prepare_transfer() failed to remove the corresponding deallocation from remove(). Drop the bogus DMA channel release from remove() to avoid triggering a NULL-pointer dereference on driver unbind. This issue was flagged by Sashiko when reviewing a controller deregistration fix.

A flaw was found in the Linux kernel's s3c64xx Serial Peripheral Interface (SPI) driver. An issue with incorrect DMA (Direct Memory Access) channel deallocation during driver unbind could lead to a NULL-pointer dereference. This vulnerability can cause a system crash, resulting in a denial of service.

Red Hat Enterprise Linux 10 Not affected kernel Red Hat Enterprise Linux 6 Not affected kernel Red Hat Enterprise Linux 7 Not affected kernel Red Hat Enterprise Linux 7 Not affected kernel-rt Red Hat Enterprise Linux 8 Not affected kernel Red Hat Enterprise Linux 8 Not affected kernel-rt Red Hat Enterprise Linux 9 Not affected kernel Red Hat Enterprise Linux 9 Not affected kernel-rt https://www.cve.org/CVERecord?id=CVE-2026-46296 https://nvd.nist.gov/vuln/detail/CVE-2026-46296 https://lore.kernel.org/linux-cve-announce/2026060858-CVE-2026-46296-1408@gregkh/T