OESA-2026-2674 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix race between quota disable and quota rescan ioctl There's a race between a task disabling quotas and another running the rescan ioctl that can...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: wilc1000: added the missing unregisternetdev function in wilcnetdevifcinit. The fault injection test reports this issue as follows: Kernel BUG at net/core/dev.c:10731! Invalid opcode: 0000 1 PREEMPT SMP KASAN PTI Call trace...

Astra Linux - уязвимость в linux-5.10

A issue was discovered in the Linux kernel before version 6.0.11. Missing validation of the IEEE80211P2PATTRCHANNELLIST in the drivers/net/wireless/microchip/wilc1000/cfg80211.c file, within the WILC1000 wireless driver, can lead to a heap-based buffer overflow when parsing the operating channel...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: Do not reallocate the workqueue every time an interface is added. The commit 09ed8bfc5215 “wilc1000: Rename the workqueue from “WILCwq” to “NETDEV-wq” moved the creation of the workqueue in wilcnetdevifcinit, in...

Astra Linux - уязвимость в linux-5.10, linux

A issue was discovered in the Linux kernel before version 6.0.11. Missing offset validation in the drivers/net/wireless/microchip/wilc1000/hif.c file, within the WILC1000 wireless driver, can lead to an out-of-bounds read when parsing a Robust Security Network RSN information element from a Netli...

Linux Kernel wilc1000 Integer Overflow Vulnerability

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that originates from a heap buffer overflow due to a u8 overflow in the wilc1000 wireless driver, which could lead to memory...

SUSE CVE-2026-31780

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix u8 overflow in SSID scan buffer size calculation The variable valuesize is declared as u8 but accumulates the total length of all SSIDs to scan. Each SSID contributes up to 33 bytes IEEE80211MAXSSIDLEN + 1, an...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

A issue was discovered in the Linux kernel before version 6.0.11. Missing validation of the IEEE80211P2PATTROPERCHANNEL in the drivers/net/wireless/microchip/wilc1000/cfg80211.c file within the WILC1000 wireless driver can lead to a out-of-bounds write when parsing the channel list attribute from...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: wilc1000 – fixed a potential memory leak in wilcmacxmit The wilcmacxmit function returns NETDEVTXOK without freeing the skb buffer; devkfreeskb was added to address this issue. This fix has been tested only during compilati...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: Unregister wiphy only if it has been registered There is a specific error path in probe functions in wilc drivers both sdio and spi, which can lead to kernel panic. For example, this issue occurs when using SPI:...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: wilc1000: using vmmtable as an array in the wilc struct. Enabling KASAN and running some iperf tests causes some memory issues related to vmmtable. Bug: KASAN: Out-of-bounds write in wilcwlanhandletxq+0x6ac/0xdb4. A size of...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

A issue was discovered in the Linux kernel before version 6.0.11. Missing validation of the number of channels in the drivers/net/wireless/microchip/wilc1000/cfg80211.c file in the WILC1000 wireless driver can lead to a heap-based buffer overflow when copying the list of operating channels from...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: wilc1000: Prevent use-after-free in wilcnetdevcleanup when cleaning up all interfaces. wilcnetdevcleanup currently triggers a KASAN warning. This can be observed during the interface registration process, or by simply...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: wilc1000 – Fixed RCU usage in the connect path. With lockdep enabled, calls to the connect function from the cfg802.11 layer lead to the following warning: ============================= WARNING: Suspicious RCU usage...

Linux Distros Unpatched Vulnerability : CVE-2026-31780

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - wifi: wilc1000: fix u8 overflow in SSID scan buffer size calculation The variable valuesize is declared as u8 but accumulates the total length of all SSIDs to...

CVE-2026-31780

A flaw was found in the Linux kernel's wilc1000 Wi-Fi driver. An integer overflow vulnerability exists in the calculation of the SSID scan buffer size. This can lead to a heap buffer overflow when processing multiple Service Set Identifiers SSIDs, potentially allowing a local attacker to cause a...

CVE-2026-31780

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix u8 overflow in SSID scan buffer size calculation The variable valuesize is declared as u8 but accumulates the total length of all SSIDs to scan. Each SSID contributes up to 33 bytes IEEE80211MAXSSIDLEN + 1, an...

CVE-2026-31780

In CVE-2026-31780, the Linux kernel wi l c1000 Wi‑Fi driver is affected by a heap buffer overflow in the SSID scan path. The code accumulates total SSID lengths into a variable declared as u8, allowing up to 330 bytes for 10 SSIDs, but the u8 wrap causes a 75-byte kmalloc allocation followed by a...

EUVD-2026-26593

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix u8 overflow in SSID scan buffer size calculation The variable valuesize is declared as u8 but accumulates the total length of all SSIDs to scan. Each SSID contributes up to 33 bytes IEEE80211MAXSSIDLEN + 1, an...

CVE-2026-31780 wifi: wilc1000: fix u8 overflow in SSID scan buffer size calculation

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix u8 overflow in SSID scan buffer size calculation The variable valuesize is declared as u8 but accumulates the total length of all SSIDs to scan. Each SSID contributes up to 33 bytes IEEE80211MAXSSIDLEN + 1, an...