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

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: A NULL pointer dereference occurred in amdgpudmconnectoraddcommonmodes. In amdgpudmconnectoraddcommonmodes, amdgpudmcreatecommonmode assigns mode to mode, and mode is directly passed to drmmodeprobedadd...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: mxs: Fixed error handling in mxssgtl5000probe. This function only calls ofnodeput in the regular path. It will cause a refcount leak in error-prone paths. For example, when codecnp is NULL, saifnp0 and saifnp1 are not NULL,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: stk1160: If the start stream fails, the buffers should be returned with the state “VB2BUFSTATEQUEUED”. Currently, buffers are returned with the state “VB2BUFSTATEERROR”, which is incorrect. This issue has been fixed. This...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: wc938x: fixed an issue where accessing an array was done outside its bounds for an enum type. Accessing enums using integers resulted in accessing an array outside its bounds on platforms like aarch64, where...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: WireGuard: socket: freeskb in send6 when IPv6 is disabled. I received a report of a memory leak: Unreferenced object: 0xffff8881191fc040 size 232 Command: kworker/u17:0, PID: 23193, Jiffies: 4295238848 age: 3464.870 seconds Hex...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: Fix scheduling while atomic The driver makes a call to the midlayer function fcremoteportdelete, which can put the thread to sleep. The thread that originates the call is in interrupt context. The combination of...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: sm712fb: Fixed a crash in smtcfbwrite When the sm712fb driver writes three bytes to the framebuffer, the driver crashes. The issue is due to an inability to handle a page fault for the address: ffffc90001ffffff. RIP...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - ntfs: Added a sanity check on the allocation size. - ntfsread inodemount calls ntfsmallocnofs with an allocation size of zero. This triggers a bug in the ntfsmalloc function. This issue has been fixed by adding a sanity chec...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: PM: core: keep irq flags in devicepmcheckcallbacks The function devicepmcheckcallbacks can be called under the spin lock in the reported case, it happens from genpdadddevice - devpmdomainset, when the genpd uses spinlocks rather...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: block, bfq: do not move oombfqq Our test report a UAF: 2073.019181 ================================================================== 2073.019188 BUG: KASAN: use-after-free in bfqputbfqq+0xa0/0x168 2073.019191 Written a size 8...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: pinctrl: nomadik: Added the missing ofnodeput function in nmkpinctrlprobe. This node pointer is returned by ofparsephandle, and its refcount is incremented in this function. Calling ofnodeput prevents the refcount leak...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: clk: qcom: clk-rcg2: Update the logic to calculate the D value for RCG. The display pixel clock has a requirement on certain newer platforms to support M/N as 2/3, and the final D value calculated results in underflow errors. As...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: remoteproc: qcomq6v5mss: Some leaks have been fixed in q6v5allocmemoryregion. The devicenode pointer is returned by ofparsephandle or ofgetchildbyname, and its reference count is incremented. We should use ofnodeput on it after...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ICE: Fixed ‘scheduling while atomic’ in aux critical error interrupts There’s a kernel bug related to processing aux critical error interrupts in icemiscintr: 2100.917085 BUG: Scheduling while atomic: swapper/15/0/0x00010000… …...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hciuart: added a missing NULL check in h5enqueue. Syzbot encountered a general protection fault in pmruntimeresume. The problem was due to a missing NULL check. hu-serdev can be NULL, and we should not blindly pass...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf, sockmap: Fixed a memory leak in tcpbpfsendmsg when skmsg is full. If tcpbpfsendmsg is running while skmsg is full, and skmsgalloc returns an -ENOMEM error, tcpbpfsendmsg will enter a waitformemory state. If part of the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: power: supply: ab8500: A memory leak has been fixed in ab8500fgsysfsinit. The kobjectinitandadd function takes a reference even when it fails. According to the documentation for kobjectinitandadd: if this function returns an erro...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: The maximum minor value is set to blkallocextminor. The idaallocrange... min, max,... function returns values ranging from min to max, including both ends. Therefore, NREXTDEVT is a valid index returned by blkallocextminor. This ...

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...