Linux Distros Unpatched Vulnerability : CVE-2021-47055

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: mtd: require write permissions for locking and badblock ioctls MEMLOCK, MEMUNLOCK and OTPLOC...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mtd: spi-nor: sst: Fixed the issue where only one byte of data was written, regardless of the number of bytes passed to sstnorwritedata, causing a kernel crash during the write operation. The change introduced by “commit...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: spi: sn-f-ospi: Fix for division by zero When there is no dummy cycle in the spi-nor commands, both the dummy bus cycle bytes and the width are zero. Due to the CPU’s warning when dividing by zero, this situation should be avoide...

CVE-2022-32295

On Ampere Altra and AltraMax devices before SRP 1.09, the Altra reference design of UEFI accesses allows insecure access to SPI-NOR by the OS/hypervisor component...

kernel: spi: nxp-fspi: fix the KASAN report out-of-bounds bug

A flaw was found in the Linux kernel. An out-of-bounds write vulnerability exists in the nxp-fspi driver when handling data that is not 4-byte aligned during write operations to the TX FIFO. A local attacker with administrative privileges could exploit this flaw, potentially leading to a system...

SUSE CVE-2025-21845

In the Linux kernel, the following vulnerability has been resolved: mtd: spi-nor: sst: Fix SST write failure 'commit 18bcb4aa54ea "mtd: spi-nor: sst: Factor out common write operation to sstnorwritedata"' introduced a bug where only one byte of data is written, regardless of the number of bytes...

CVE-2025-21845

In the Linux kernel, the following vulnerability has been resolved: mtd: spi-nor: sst: Fix SST write failure 'commit 18bcb4aa54ea "mtd: spi-nor: sst: Factor out common write operation to sstnorwritedata"' introduced a bug where only one byte of data is written, regardless of the number of bytes...

CVE-2025-21845 mtd: spi-nor: sst: Fix SST write failure

In the Linux kernel, the following vulnerability has been resolved: mtd: spi-nor: sst: Fix SST write failure 'commit 18bcb4aa54ea "mtd: spi-nor: sst: Factor out common write operation to sstnorwritedata"' introduced a bug where only one byte of data is written, regardless of the number of bytes...

CVE-2025-21845

Technical details about CVE-2025-21845 are not provided in the connected documents. The initial description summarizes the issue; monitor for updates.

CVE-2025-21845 mtd: spi-nor: sst: Fix SST write failure

In the Linux kernel, the following vulnerability has been resolved: mtd: spi-nor: sst: Fix SST write failure 'commit 18bcb4aa54ea "mtd: spi-nor: sst: Factor out common write operation to sstnorwritedata"' introduced a bug where only one byte of data is written, regardless of the number of bytes...

CVE-2025-21845

In the Linux kernel, the following vulnerability has been resolved: mtd: spi-nor: sst: Fix SST write failure 'commit 18bcb4aa54ea "mtd: spi-nor: sst: Factor out common write operation to sstnorwritedata"' introduced a bug where only one byte of data is written, regardless of the number of bytes...

SUSE CVE-2025-21793

In the Linux kernel, the following vulnerability has been resolved: spi: sn-f-ospi: Fix division by zero When there is no dummy cycle in the spi-nor commands, both dummy bus cycle bytes and width are zero. Because of the cpu's warning when divided by zero, the warning should be avoided. Return ju...

CVE-2025-21793

In the Linux kernel, the following vulnerability has been resolved: spi: sn-f-ospi: Fix division by zero When there is no dummy cycle in the spi-nor commands, both dummy bus cycle bytes and width are zero. Because of the cpu's warning when divided by zero, the warning should be avoided. Return ju...

DEBIAN-CVE-2025-21793

In the Linux kernel, the following vulnerability has been resolved: spi: sn-f-ospi: Fix division by zero When there is no dummy cycle in the spi-nor commands, both dummy bus cycle bytes and width are zero. Because of the cpu's warning when divided by zero, the warning should be avoided. Return ju...

UBUNTU-CVE-2025-21793

In the Linux kernel, the following vulnerability has been resolved: spi: sn-f-ospi: Fix division by zero When there is no dummy cycle in the spi-nor commands, both dummy bus cycle bytes and width are zero. Because of the cpu's warning when divided by zero, the warning should be avoided. Return ju...

CVE-2025-21793 spi: sn-f-ospi: Fix division by zero

In the Linux kernel, the following vulnerability has been resolved: spi: sn-f-ospi: Fix division by zero When there is no dummy cycle in the spi-nor commands, both dummy bus cycle bytes and width are zero. Because of the cpu's warning when divided by zero, the warning should be avoided. Return ju...

CVE-2025-21793

In the Linux kernel, the following vulnerability has been resolved: spi: sn-f-ospi: Fix division by zero When there is no dummy cycle in the spi-nor commands, both dummy bus cycle bytes and width are zero. Because of the cpu's warning when divided by zero, the warning should be avoided. Return ju...

CVE-2025-21793 spi: sn-f-ospi: Fix division by zero

In the Linux kernel, the following vulnerability has been resolved: spi: sn-f-ospi: Fix division by zero When there is no dummy cycle in the spi-nor commands, both dummy bus cycle bytes and width are zero. Because of the cpu's warning when divided by zero, the warning should be avoided. Return ju...

CVE-2025-21793 spi: sn-f-ospi: Fix division by zero

In the Linux kernel, the following vulnerability has been resolved: spi: sn-f-ospi: Fix division by zero When there is no dummy cycle in the spi-nor commands, both dummy bus cycle bytes and width are zero. Because of the cpu's warning when divided by zero, the warning should be avoided. Return ju...

CVE-2025-21793

CVE-2025-21793 concerns the Linux kernel SPI SN-F-OSPI path. The linked Azure/Linux Nessus entry confirms the issue: when there is no dummy cycle in spi-nor commands, dummy bus cycle bytes and width become zero, risking a divide-by-zero warning. The fix is to return zero to avoid such calculation...