CVE-2026-23152 — wifi: mac80211: correctly decode TTLM with default link map

Affected: Linux

In the Linux kernel, the following vulnerability has been resolved:

wifi: mac80211: correctly decode TTLM with default link map

TID-To-Link Mapping (TTLM) elements do not contain any link mapping presence indicator if a default mapping is used and parsing needs to be skipped.

Note that access points should not explicitly report an advertised TTLM with a default mapping as that is the implied mapping if the element is not included, this is even the case when switching back to the default mapping. However, mac80211 would incorrectly parse the frame and would also read one byte beyond the end of the element.

USN-8570-1 — linux-gcp-6.17, linux-realtime-6.17 vulnerabilities

Affected: Ubuntu:24.04:LTS: linux-gcp-6.17, Ubuntu:Pro:Realtime:24.04:LTS: linux-realtime-6.17

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Foo-over-UDP (FOU); - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Drivers core; - Null block device driver; - Bluetooth drivers; - Counter interface drivers; - DMA engine subsystem; - DPLL subsystem; - GPIO subsystem; - GPU drivers; - I2C subsystem; - IIO ADC drivers; - IIO subsystem; - On-Chip Interconnect management framework; - IOMMU subsystem; - IRQ chip drivers; - Modular ISDN driver; - LED subsystem; - Multiple devices driver; - UACCE accelerator framework; - MMC subsystem; - Ethernet bonding driver; - Network drivers; - Mellanox network drivers; - NVME drivers; - Device tree and open firmware driver; - PHY drivers; - x86 platform drivers; - i.MX PM domains; - SCSI subsystem; - SLIMbus drivers; - SPI subsystem; - TTY drivers; - USB Host Controller drivers; - W1 Dallas's 1-wire bus driver; - Xen hypervisor drivers; - BTRFS file system; - EFI Variable file system; - Ext4 file system; - File systems infrastructure; - FUSE (File system in Userspace); - Network file systems library; - Network file system (NFS) client; - Network file system (NFS) server daemon; - SMB network file system; - Memory Management; - Memory management; - Scheduler infrastructure; - Tracing infrast…

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CVE-2026-23152 — wifi: mac80211: correctly decode TTLM with default link map

USN-8570-1 — linux-gcp-6.17, linux-realtime-6.17 vulnerabilities