Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: hns3 – added validation of the VLAN ID before using it. Currently, the VLAN ID can be used without validation when receiving a VLAN configuration mailbox from VF. The length of vlansdelfailbmap is BITSTOLONGSVLANNVID. This m...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: clk: samsung: exynos-clkout: Assign .num before accessing .hws The commit f316cdff8d67 annotated the hws member of the struct clkhwonecelldata with countedby. This informs the bounds sanitizer UBSANBOUNDS about the number of...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: md/raid5: Fixed possible null-pointer dereferences in raid5storegroupthreadcnt. The variable mddev-private is first assigned to conf, and then checked: c conf = mddev-private; if !conf… If conf is NULL, then mddev-private is also...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Tracing: Do not register unsupported perf events Synthetic events currently do not have a function to register perf events. This leads to calling the tracepoint register functions with a NULL function pointer, which triggers the...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: usbnet: Fixed the issue involving the use of smpprocessorid in preemptible code. Syzbot reported the following warning: BUG: Using smpprocessorid in preemptible 00000000 code: dhcpcd/2879. Caller: usbnetskbreturn+0x74/0x490,...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Tracing: Fixed a crash that occurred when using a synthetic stacktrace field. When creating a synthetic event based on an existing synthetic event that had a stacktrace field, the new synthetic event used that field, resulting in...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Validates the owner of the durable handle upon reconnection. Currently, ksmbd does not verify whether the user attempting to reconnect to a durable handle is the same user who originally opened the file. This allows any...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: rxrpc: Fixed the data-race warning and potential load/store tearing issues. Fixed the following issue: BUG: KCSAN: A data-race occurred in rxrpcpeerkeepaliveworker and rxrpcsenddatapacket. This issue relates to reads and write...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: added srng-lock for ath11khalsrng in monitor mode. ath11khalsrng should be used with srng-lock to protect srng data. For ath11kdprxmondestprocess and ath11kdpfullmonprocessrx, they use ath11khalsrng multiple times,...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In the ATM send path sendmsg - vccsendmsg - sigdsend, the vcc pointer is read from msg-vcc and used directly without any validation. This pointer comes from the user space via sendmsg, and can be arbitrarily forged: int fd =...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: “arm64: zynqmp: Add an OP-TEE node to the device tree” This issue has been resolved through the commit 06d22ed6b6635b17551f386b50bb5aaff9b75fbe. OP-TEE logic in U-Boot automatically inserts a reserved-memory node along with the...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: removed WARNONONCE when accessing the forward path array. Although unlikely, recent support for IPIP tunnels increases the chances of encountering this WARNONONCE if the user space manages to create a sufficiently long forwa...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: espintcp: fixed skb leaks. Several error paths now include a kfreeskb...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed a reservation leak in some error paths when inserting inline extents. If we fail to allocate a path or join a transaction, we return from cowfilerangeInline without freeing the reserved qgroup data, resulting in a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: udptunnel: Use netdevwarn instead of netdevWARN. netdevWARN uses WARN/WARNON to print a backtrace along with file and line information. In this case, udptunnelnicregister failing due to a memory allocation failure e.g., kzalloc o...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: iommufd/selftest: A overflow issue was identified in IOMMUTESTOPADDRESERVED. syzkaller discovered that this could lead to an overflow in the test infrastructure and cause a WARN message by corrupting the reserved interval tree...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Timers: Fixed a NULL function pointer race condition in timershutdownsync. There is a race condition between timershutdownsync and timerexpiration, which can lead to a WARNON being triggered in expiretimers. The issue occurs...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: The code for radeonfenceprocess has been removed in issignaled, preventing deadlocks. The attempt to advance the queue when checking whether the fence is signaled has been eliminated. This prevents deadlocks. The...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: wan/fslucchdlc: Fixed the dmafreecoherent function in uhdlcmemclean. The priv-rxbuffer and priv-txbuffer are allocated together as contiguous buffers in uhdlcinit, but they are freed as two separate buffers in uhdlcmemclean...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nfsd: never defer requests during idmap lookup During the decoding of v4 request compound arguments, certain operations e.g., SETATTR can trigger idmap lookup upcalls. When the responses to these upcalls are delayed beyond the...