Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: libceph: The calctarget function should set t-paused, rather than simply clearing it. Currently, calctarget clears t-paused if the request should no longer be paused. However, it never sets t-paused, even though it can determine...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: renesasusbhs: Fixed synchronous external abort when unbind is executed. A synchronous external abort occurs on the Renesas RZ/G3S SoC if unbind is executed after the configuration sequence described above: bash modprobe...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fixed a use-after-free in ksmbdtreeconnectput under concurrency conditions. Under high concurrency, a tree-connection object tcon is freed during a disconnection path, while another path still holds a reference to it...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: core: Harden s32ton to prevent conversion to 0-bit quantities Testing conducted by the syzbot fuzzer revealed that the HID core encounters a shift-out-of-bounds exception when it attempts to convert a 32-bit quantity to a...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: platform/chrome: crosecishtp: Fixed a UAF issue after unbinding the driver. After unbinding the driver, another kthread named crosecconsolelogwork still accesses the device, resulting in a UAF and system crash. The driver does no...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbcon: Set fbdisplayi-mode to NULL when the mode is released. Recently, we discovered the following issue through syzkaller: BUG: KASAN: Slab-use-after-free in fbmodeisequal+0x285/0x2f0 A read of size 4 at address ff11000001b3c69...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: jfs: Verify the inode mode when loading from disk. The inode mode loaded from a corrupted disk may be invalid. Do as described in the commit 0a9e74051313 “isofs: Verify the inode mode when loading from disk”...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: EFI/CPER: Do not dump the entire memory region. The current logic in cperprintfwerr does not check whether the length of the error record is sufficient to handle the offset. In a faulty firmware, if the offset is greater than the...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: can: gsusb: gsusbreceivebulkcallback: fixed a URB memory leak. In gscanopen, the URBs for USB-in transfers are allocated, added to the parent-rxsubmitted anchor, and then submitted. In the complete callback...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: l2tp: avoided a data race in l2tptunneldelwork We should only access sk-sksocket when dealing with kernel sockets. syzbot reported the following data race: BUG: KCSAN: data race in l2tptunneldelwork / skcommonrelease Task 5365...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: Fixed a potential underflow in virtiotransportgetcredit. The credit calculation in virtiotransportgetcredit uses unsigned arithmetic: c ret = vvs-peerbufalloc - vvs-txcnt - vvs-peerfwdcnt; If the peer reduces its...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fixed a memory leak in the GETDATADIRECTSYSFSPATH handler. The UVERBSHANDLERMLX5IBMETHODGETDATADIRECTSYSFSPATH function allocates memory for the device path using kobjectgetpath. If the length of the device path exceed...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs: ntfs3: check the return value of indxfind to avoid infinite loops We have identified a bug in the ntfs3 file system that can lead to a Denial-of-Service DoS condition. A malformed dentry in the ntfs3 filesystem can cause the...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: xfrm: Always flush the state and policy upon the NETDEVUNREGISTER event. syzbot reports that the refcount of “struct xfrmstate” is leaking. unregisternetdevice: Waiting for netdevsim0 to become free. Usage count = 2. reftracke...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: macvlan: fixed a possible Use-after-Allocation UAF in macvlanforwardsource. Added RCU protection for the vlan field in struct macvlansourceentry. Whenever macvlanhashdelsource is called, we must clear the entry-vlan pointer befor...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fixed the “scheduling while atomic” issue in IPsec MAC address queries. A bug involving “scheduling while atomic” was addressed in mlx5eipsecinitmacs, by replacing mlx5querymacaddress with etheraddrcopy to retrieve the...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: spi: ch341: fix out-of-bounds memory access in ch341transferone Discovered by Atuin – Automated Vulnerability Discovery Engine. The len variable is calculated as min32, trans-len + 1, which includes the 1-byte command header. Whe...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath11k: The affinity hint was cleared before calling ath11kpcicfreeirq in the error path. If a shared IRQ is used by the driver due to platform limitations, then the IRQ affinity hint is set correctly after the allocation o...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: AppArmor: Fixed a double-free of nsname in aareplaceprofiles. If nsname is NULL after 1071 error = aaunpackudata, &lh, &nsname; and if ent-nsname contains an nsname in 1089 else if ent-nsname then nsname is assigned the value of...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: netcp: We have standardized the knavdmaopenchannel function to return NULL on error. The function now consistently returns NULL on error, instead of ERRPTR. Currently, the header include/linux/soc/ti/knavdma.h...