Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: fix double-free of TCPServerInfo::hostname When shutting down the server in cifsputtcpsession, the cifsd thread might reconnect to multiple DFS targets before realizing that it should exit the loop. As a result,...

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

In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb-v2: af9035: Fix null-ptr-deref in af9035i2cmasterxfer In af9035i2cmasterxfer, msg is controlled by the user. When msgi.buf is null and msgi.len is zero, previous checks on msgi.buf will still be performed. Maliciou...

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

Linux block and network PV device frontends do not zero memory regions before sharing them with the backend CVE-2022-26365, CVE-2022-33740. Additionally, the granularity of the grant table does not allow sharing smaller than a 4K page, resulting in unrelated data residing in the same 4K page as...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed a data race around the sysctltcpthinlineartimeouts function. When reading sysctltcpthinlineartimeouts, it can be changed concurrently. Therefore, we need to add READONCE to its reader...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs: dlm: fix race in lowcomms This patch fixes a race condition between queuework in dlmlowcommscommitmsg and srcureadunlock. queuework may take the final reference to a dlmmsg, causing msg-idx to contain garbage, as indicated by...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: usb: dwc3-am62: Fixed the behavior of module unloading and reloading. When runtime PM is enabled, the module can be suspended during runtime when the .remove method is called. Call pmruntimegetsync to ensure that the module is...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iommu/omap: Fixed a regression in the probe for NULL pointer dereferencing. The commit 3f6634d997db “iommu: Use the correct method to retrieve iommuops” started causing a NULL pointer dereference for some omap variants:...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fixed potential null pointer dereference issues. The amdgpurasgetcontext function may return NULL if the device does not support the RAS feature; therefore, a check must be performed before using this function...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Thermal: int340x – fixed a memory leak in int3400notify The following memory leaks are likely to occur on my TigerLake platform: Unreferenced object: 0xffff927c8b91dbc0 size 32 Details: comm “kworker/0:2”, pid 112, jiffies...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dm integrity: Memory corruption occurs when tagsize is less than digestsize. It is possible to configure dm-integrity in such a way that the tagsize parameter is smaller than the actual digestsize. In this case, a portion of the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: mxs-saif: Fixed the refcount leak in mxssaifprobe. The function ofparsephandle returns a node pointer with a refcount incremented; we should use ofnodeput on it after processing...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: exec: Force a single empty string when argv is empty Quoting 1 Ariadne Conill: “In several other operating systems, it is a hard requirement that the second argument to execve2 be the name of a program. This prevents scenarios...

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

In the Linux kernel, the following vulnerabilities have been resolved: media: gspca: cpia1: shift-out-of-bounds in setflicker Syzkaller reported the following issue: UBSAN: Shift-out-of-bounds in drivers/media/usb/gspca/cpia1.c:1031:27; shift exponent 245 is too large for a 32-bit type ‘int’. Whe...

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

In the Linux kernel, the following vulnerability has been resolved: pinctrl: stm32 – Fixed a refcount leak in stm32pctrlgetirqdomain. The function ofirqfindparent returns a node pointer with the refcount incremented. We should use ofnodeput on it when it is no longer necessary. Add the missing...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: bnx2fc: Make bnx2fcrecvframe mp-safe Running tests with a debug kernel shows that bnx2fcrecvframe modifies the percpu lport stats counters in a non-mpsafe way. Simply boot a debug kernel and run the bnx2fc driver with the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: irqchip/gic-v3: A refcount leak was fixed in gicpopulateppipartitions. The function offindnodebyphandle returns a node pointer with a incremented refcount. We should use ofnodeput on it when there is no longer a need for it. A...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: parisc: led: Fix potential null-ptr-deref in starttask starttask calls createsinglethreadworkqueue, and the return value is not checked. This may result in a NULL return value. A null-ptr-deref could occur as a result: starttask...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/gma500: Fixed a bug where a sleeping function called from an invalid context caused errors. The function gmacrtcpageflip held the eventlock spinlock while calling crtcfuncs-modesetbase, which requires the wwmutex. The only...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: A memory leak has been fixed in the error path of qla2x00processels. The commit number is 8c0eb596baa5 “SCSI qla2xxx: Fix a memory leak in an error path of qla2x00processels”. The intended changes were to modify th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: NVMe: Fixed the failure in reconnection due to reserved tag allocation. We identified an issue in a production environment while using NVMe over RDMA. The reconnection of adminq failed indefinitely, even when the remote target an...