Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - Block: Fixed the issue where queues could freeze, compared to the lock order in sysfs store methods. The queueattrstore method always freezes a device queue before calling the attribute store operation. For attributes that...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/rxe: Clear all QP fields if creation failed rxeqpdocleanup relies on valid pointer values in QP for the properly created ones. However, if rxeqpfrominit fails, the QP fields may be filled with garbage, causing the followi...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: Remove the “MHI autoqueue” feature for IPCR DL channels. The MHI stack provides the “autoqueue” feature, which allows the MHI stack to automatically queue buffers for the RX path DL channels. Although this feature...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net, neigh: Fixed the null-ptr-deref in neightableclear. When the IPv6 module is initialized, an error occurs in the middle. This results in a kernel panic with the following error message: KASAN: Nullptrderef in range...

Astra Linux – Vulnerability in Linux 5.10

A out-of-bounds memory write flaw was discovered in the Linux kernel’s watchqueue event notification subsystem. This flaw can overwrite parts of the kernel state, potentially allowing a local user to gain privileged access or cause a denial of service on the system...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virtio-blk: Avoid use-after-free on suspend/resume In virtblkinithctx, hctx-userdata is set to vq. However, vq is freed during suspension and reallocated during resume. As a result, hctx-userdata becomes invalid after resume,...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: In the net: stream module, the purge skerrorqueue operation in skstreamkillqueues has been fixed. Changheon Lee reported TCP socket leaks, with a detailed reproduction guide. It appears that we encounter TCP socket leaks in the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the “block” section, there’s a issue where rq and qos structures are released without the disk being handled first. The blkcginitqueue function may add these structures to the request queue. Previously, the blkcleanupqueue...

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

In the Linux kernel, the following vulnerability has been resolved: ipvti: A potential issue related to slab-use-after-free has been fixed in decodesession6. When the ipvti device is set as a qdisc of the sfb type, the cb field of the sent skb may be modified during enqueueing. This can lead to a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xsk: The recycle buffer was handled in cases where the Rx queue was full. A missing call to xskbufffree was added when xskrcvzc failed to produce a descriptor for the XSK Rx queue...

Astra Linux – Vulnerability in Linux 5.10

A race condition was detected in the Linux kernel’s watch queue due to a missing lock in the piperesizering function. The specific flaw lies in the handling of pipe buffers. The problem arises from the lack of proper locking when performing operations on an object. This flaw allows a local user t...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel through version 5.11.10. In the drivers/net/ethernet/freescale/gianfar.c file of the Freescale Gianfar Ethernet driver, it was found that a negative fragment size can be calculated in situations where an rx queue overrun occurs when jumbo packets are use...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: Destroy the cmid before destroying the qp to avoid using it after freeing it. We should always destroy the cmid before destroying the qp to prevent accessing the cma after the qp is destroyed. This can lead to incorrec...

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

In the Linux kernel, the following vulnerability has been resolved: TCP: Make sure init calls the spinlocks of the acceptqueue once. When I run the reproduction C program by syz locally, it causes the following issue: pvqspinlock: Lock 0xffff9d181cd5c660 has corrupted value 0x0! WARNING: CPU: 19;...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: idpf: Fixed the issue where the RSS LUT NULL pointer dereference occurred after a soft reset. During a soft reset, the RSS LUT is freed and not restored unless the interface is active. If an ethtool command that accesses the R...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: The block mode of switchdev is used when ADQ is active, and vice versa. ADQ and switchdev are not allowed to be enabled simultaneously. Enabling both at the same time can lead to nullptr dereferencing. To prevent this issue, chec...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nfqueue – fixed a possible use-after-free issue. Eric Dumazet says: The sockhold function seems suspicious, as there is no guarantee that skrefcnt is not already 0. If this occurs, we cannot queue the packet and mus...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5e: RX, Fixed XDP multi-buf fragment counting for legacy RQ XDP multi-buf programs can modify the layout of the XDP buffer when the program calls bpfxdppulldata or bpfxdpadjusttail. The referenced commit in the fixes ta...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Media: MediTech; vcodec: Fix resource leaks in vdecmsgqueueinit. If any error occurs in vdecmsgqueueinit, we need to set “msgqueue-wdmaaddr.size = 0;”. Normally, this is done within the vdecmsgqueuedeinit function. However, if...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: The queuelock must be held when removing blkg-qnode. When blkg is removed from q-blkglist in the blkgfreeworkfn function, the queuelock must be held. Otherwise, various bugs such as list corruption, hard lockups, etc...