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

In the Linux kernel, the following vulnerability has been resolved: For the m68k architecture, the bus error is only forced if the PC is not in the exception table. The getkernelnofault function copies data in supervisor mode when forcing a task backtrace log through /proc/sysrqtrigger. This is...

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

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-tpg: fix some memleaks in tpgalloc. In tpgalloc, resources should be deallocated in every possible error-handling path, as they are allocated using for statements. Otherwise, memleaks could occur, since tpgfree is onl...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Error checking was added to ext4extreplaysetiblocks. If the call to ext4mapblocks fails due to a corrupted file system, ext4extreplaysetiblocks may get stuck in an infinite loop. This issue can be reproduced by running...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: net: rds: fixed a memory leak in rdsrecvmsg Syzbot reported a memory leak in rds. The problem occurred when the reference count was not decremented in case of an error. The function rdsrecvmsgstruct socket sock, struct msghdr msg...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: bcd2000: A UAF bug was fixed in the error path of the probing process. When the driver fails in sndcardregister during the probing phase, it will free the bcd2k-midiouturb before terminating it, which could lead to a UAF bu...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fixed the RX consumer index logic in the error path. In bnxtrxpkt, the RX buffers are expected to complete in order. If the RX consumer index indicates an out-of-order buffer completion, it means we are encountering a...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/rxe: Returns a CQE error if an invalid lkey is provided. RXE fails to update the WQE status in cases of LOCALwrite failures. This caused the following kernel panic if someone executed an atomic operation with an explicitl...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Staging: wfx – fixed an error handling issue in wfxinitcommon. One error handler of wfxinitcommon returns without calling ieee80211freehwhw, which could lead to a memory leak. I have also added an error label to unify the error...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: fec: handle pagepooldevallocpages error The fecenetupdatecbd function calls pagepooldevallocpages, but it does not handle the case where NULL is returned. A WARNON!newpage message is generated, but the program still proceeds...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: clk: clocking-wizard: Fixed an error in clkwzrdregisterdivider. A match was detected for a potential error of dereferencing the pointer in clkwzrdregisterdivider. If devmclkHWRegister fails, it sets “hw” to an error pointer, and...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: EDAC/mc: Fixed the error path ordering in edacmcalloc. When the mci-pvtinfo allocation in edacmcalloc fails, the error path will call putdevice, which will ultimately call the device’s release function. However, the initializatio...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Tunnels: Fixed the crash when generating IPV4 PMTU errors due to KASAN. If we attempt to emit an ICMP error in response to a non-linear SKB, we encounter the following issue: Bug: KASAN: Out-of-bounds access in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tee: added a overflow check in registershmhelper When special lengths are provided by the user space, registershmhelper may cause an integer overflow when calculating the number of pages covered by a given user space memory regio...

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

In the Linux kernel, the following vulnerabilities have been resolved: dm cache: Fixed the issue where uninitialized delayedwork objects were flushed during a cachectr error. An unexpected WARN message may occur when cache creation fails, caused by destroying the uninitialized delayedwork object ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ASoC: amd: acp3x-rt5682-max9836: Added missing error checks for clock acquisition. The acp3x5682init function did not check the return value of clkget, which could lead to dereferencing error pointers in rt5682clkenable. This iss...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: USB: dummy-hcd: Fixed locking/synchronization errors Syzbot testing was able to cause an addressing exception and a crash in the usbgadgetudcreset routine in drivers/usb/gadgets/udc/core.c. This occurred because the routine wa...

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: crypto: pcrypt – Now, padatadoparallel returns -EBUSY, and the crypto layer is called directly. Since commit 8f4f68e788c3 “crypto: pcrypt – Fixing the hungtask for PADATARESET”, the pcrypt encryption and decryption operations...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drbd: fixed the “LOGIC BUG” in drbdalbeginiononblock Although we ensure that we can perform lcgetcumulative while holding the device-allock spinlock, it may still fail if some other code path decides to use lctrylock at the wrong...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fix possible crash in bnxthwrmsetcoal During the error recovery sequence, the rtnllock is not held for the entire duration and some datastructures may be freed during the sequence. Check for the BNXTSTATEOPEN flag instead...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm, slub: fixed a potential memory leak in kmemcacheopen. In the error path, the slub cache’s randomseq value might be leaked. This issue was addressed by using kmemcacherelease to release all relevant resources...