Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Counter: Interrupt-cnt: Remove the IRQFNOTHREAD flag An IRQ handler can either use IRQFNOTHREAD or acquire spinlockt. As noted by CONFIGPROVERAWLOCKNESTING: ============================= BUG: Invalid wait context 6.18.0-rc1+git...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dmaengine: omap-dma: fixed the resource leak in error paths caused by dmapool. The dmapool created by dmapoolcreate is not destroyed when dmaasyncdeviceregister or ofdmacontrollerregister fails, resulting in a resource leak in...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: spi: tegra: A memory leak has been fixed in tegraslinkprobe. In tegraslinkprobe, when platformgetirq fails, it directly returns from the function with an error code, resulting in a memory leak. This issue can be addressed by...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fou: Do not allow 0 for FOUATTRIPPROTO. The issue mentioned in the previous patch still exists in fouudprecv. If FOUATTRIPPROTO is set to 0, the buffer skb is neither freed by fouudprecv nor sent via "resubmit"-ed in...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: SCTP: The instruction “move SCTPCMDASSOCSHKEY right after SCTPCMDPEERINIT” has been fixed. A null-ptr-deref issue was reported in the SCTP transmission path when the SCTP-AUTH key initialization fails:...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Net: Consume xmit errors of GSO frames. udpgrofrglist.sh and udpgrobench.sh are the most flaky tests currently in NIPA. They fail in exactly the same way. The TCP GRO test occasionally stalls, and the test terminates after 10...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: cifs: Fixed the locking usage for tcon fields. Previously, we used cifstcpseslock to protect many objects that weren’t just server, ses, or tcon lists. Later, we introduced svrlock, seslock, and tc Lock to protect fields withi...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: The return value of f2fsrecoverfsyncdata has been fixed. With the following scripts, a panic will occur in f2fs: bash mkfs.f2fs -f /dev/vdd mount /dev/vdd /mnt/f2fs touch /mnt/f2fs/foo sync echo 111 /mnt/f2fs/foo f2fsio fsy...

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: espintcp: A race condition in espintcpclose has been fixed. This issue was discovered during a code audit. After espintcpclose is called, espintcptxwork can still be scheduled using functions like the Delayed ACK handler or...