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: team: prevent adding a device which is already a team device lower Prevent adding a device which is already a team device lower, e.g. adding veth0 if vlan1 was already added and veth0 is a lower of vlan1. This is not useful in...

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: ALSA: pcm: Added a sanity NULL check for the default mmap fault handler. A driver may allow access to mmap before properly initializing runtime-dmaarea. A proper NULL check should be added before passing the value to virttopag...

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

In the Linux kernel, the following vulnerability has been resolved: Bonding: Fix for null pointer dereference in bondipsecoffloadok We must check whether there is an active slave before dereferencing the pointer...

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

In the Linux kernel, the following vulnerability has been resolved: dropmonitor: Replace spinlock with rawspinlock. The function tracedropcommon is called with preemption disabled, and it acquires a spinlock. This is problematic for RT kernels because spinlocks are sleeping locks in this...

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

In the Linux kernel, the following vulnerability has been resolved: mptcp: Ensure that snduna is properly initialized upon connection. This issue is strictly related to the commit fb7a0d334894 „mptcp: Ensure that sndnxt is properly initialized upon connection“. It turns out that syzkaller can...

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

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevented NULL dereference in ip6output According to syzbot, there is a possibility that ip6dstidev returns NULL in ip6output. Most parts of the IPv6 stack handle a NULL idev fine, but not this case. syzbot reported: Genera...

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: bcache: Reverting the change that replaced ISERRORNULL with ISERR. The commit 028ddcac477b “bcache: Removing unnecessary NULL-point checks in node allocations” causes a NULL pointer dereferencing in the cachesetFlush function...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: fs/netfs/fscachecookie: added a check for the missing “naccesses” parameter. This fix addresses a NULL pointer dereference bug caused by a data race. The details of the bug are as follows: BUG: NULL pointer dereference in the...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Do not allow mapping the MMIO HDP page with large pages. In that case, we do not receive the correct offset. The GPU has an unused 4K area of the register BAR space, into which we can remap registers. We remap the HDP...

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: ipmi: ipmb: Add a check for the returned value of devmkasprintf. devmkasprintf can return a NULL pointer in case of failure, but this returned value is not checked...

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: net: systemport: a potential memory leak has been fixed in bcmsysportxmit. The function bcmsysportxmit returns NETDEVTXOK without freeing the skb in case of a failure in dmamapsingle. Add devkfreeskb to address this issue...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Input: adp5589-keys – fixed the NULL pointer dereferencing issue. We have registered a devm action to call adp5589clearconfig, and then passed the i2c client as an argument. This allows us to call i2cgetclientdata in order to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: For mptcp: pm: fixed ID 0 endp usage after multiple re-creations. The values of ‘localaddrused’ and ‘addaddraccepted’ are decremented for addresses that are not related to the initial subflow ID0. This is because the source an...

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

In the Linux kernel, the following vulnerability has been resolved: filelock: Fixed the race condition recovery mechanism for fcntl/close operations. When I wrote the commit 3cad1bc01041 “filelock: Remove locks reliably when a fcntl/close race is detected”, I overlooked that there were two versio...

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

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Added a check for the srqmaxsge attribute. The maxsge attribute is provided by the user and is inserted and used unchecked. Therefore, ensure that the value does not exceed the maximum allowed value before using it...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iouring: check for non-NULL file pointer in iofilecanpoll In earlier kernels, it was possible to trigger a NULL pointer dereference off the forced async preparation path, if no file had been assigned. The trace leading to that...

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: md/raid10: preventing soft lockup during flush writes Currently, there is no limit for plugged bio in raid1/raid10. While performing flush writes, raid1 uses condresched, whereas raid10 does not. Too many writes can cause a soft...

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

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: Fixed a memory leak in hcireqsyncComplete In the function hcireqsyncComplete, always free the previous sync request state before assigning a reference to a new one...

Astra Linux – Vulnerability in Tomcat9

Improper handling of exceptional conditions, and uncontrolled resource consumption vulnerabilities in Apache Tomcat. When processing an HTTP/2 stream, Tomcat failed to correctly handle some cases of excessive HTTP headers. This resulted in an incorrect count of active HTTP/2 streams, leading to t...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb3: Fixed the potential deadlock due to lock ordering in the cifssyncmidresult function. Coverity identified that the cifssyncmidresult function could lead to a deadlock. “Thread deadlock ORDERREVERSAL lockorder: Calling spinlo...