Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “wifi: mac80211: fix memory leak in ieee80211ifadd” This resolution involves committing change 13e5afd3d773c6fc6ca2b89027befaaaa1ea7293. The function ieee80211iffree is already called from freenetdevndev, because...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf: Check the size of the bloom filter map values This patch adds a missing check to the bloom filter creation process, preventing the rejection of values that exceed KMALLOCMAXSIZE. This brings the bloom map in line with many...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Actually free the watch object. The freewatch function does everything except actually freeing the watch object. This issue is fixed by adding the missing kfree call. KMEMLEAK generates a report similar to the...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: x86/ioremap: Maps EFI-reserved memory as encrypted for SEV. Some drivers require memory that is marked as EFI boot services data. To prevent this memory from being reused by the kernel after ExitBootServices, efimemreserve is use...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: Added the missing pmruntimeputsync function. The pmruntimegetsync function will increase the runtime PM counter even when it returns an error. Therefore, a corresponding decrement is required to prevent a refcount lea...

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

In the Linux kernel, the following vulnerability has been resolved: spmi: Added a check for a remove callback when removing a SPMI driver. When removing a SPMI driver, a crash may occur due to a NULL pointer dereference if no remove callback is defined. This was observed in a call trace when...

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

In the Linux kernel, the following vulnerability has been resolved: dyndbg: fixed an old BUGON in the control parser. Fixed a BUGON from 2009. Even if it seems “unreachable” I haven’t actually checked, let’s ensure it by removing it and instead using prerr and returning -EINVAL...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: block: Fixed an incorrect offset in biotruncate The biotruncate function clears the buffer outside of the last block of bdev. However, the current implementation of biotruncate uses the wrong offset for the page. As a result, it...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Tracing/histogram: Fixed a potential memory leak in kstrdup. The kfree function is not called in the error path, resulting in the memory allocated by kstrdup not being freed properly. p = param = kstrdupdata-paramsi, GFPKERNEL...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tty: ttybuffer: Fixed the soft lockup issue in flushtoldisc. When running the ltp testcase ltp/testcases/kernel/pty/pty04.c with arm64, there is a soft lockup. The detailed call trace is as follows: Workqueue: eventsunbound →...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: Fixed a crash that occurred due to stale SRB accesses during I/O timeouts. Ensured that the SRB is returned during the escalation of an I/O timeout error. If this is not possible, the escalation path is failed...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Type confusion was fixed due to a race condition when using ipcmsgsendrequest. req-handle is allocated using ksmbdacquireid&ipcida, based on idaalloc. req-handle from ksmbdipcloginrequest and FSCTLPIPETRANSCEIVE ioctl can ...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Added a sanity check for the file name. The length of the file name should be smaller than the directory entry size...

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

In the Linux kernel, the following vulnerability has been resolved: nfs4setupreaddir: Insufficient locking for -dparent-d inode dereferencing. Theoretically, this could lead to an oops error due to a race condition, but I don’t believe anyone would actually exploit this vulnerability on real...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: fslmqs – ofnodeput has been moved to the correct location. ofnodeput should have been executed immediately after mqspriv-regmap = sysconnodetoregmapgprnp;. Otherwise, it causes a reference leak during the successful executi...

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

A out-of-bounds read vulnerability was discovered in Netfilter Connection Tracking conntrack within the Linux kernel. This flaw allows a remote user to disclose sensitive information through the DCCP protocol...

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

In the Linux kernel, the following vulnerability has been resolved: e1000: fixed an out-of-bounds error in e1000tbishouldaccept In e1000tbishouldaccept, we read the last byte of the frame via “datalength - 1” to evaluate the TBI workaround. If the descriptor’s reported length is zero or greater...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “drm/amd: Check if ASPM is enabled from the PCIe subsystem” has been reverted. This reversion is associated with the commit 7294863a6f01248d72b61d38478978d638641bee. This commit was erroneously applied again after the commit...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfs, fscache: This issue prevents Oops exceptions in fscacheputcache. This function dereferences the “cache” object, and then checks whether it is ISERRORNULL. It checks first, and then derefs the object...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cxl/region: Do not attempt cleanup after a failure in cxlregionattach. The commit 5e42bcbc3fef “cxl/region: Decrement -nrtargets in case of error in cxlRegionattach” attempted to avoid initialization errors when -nrtargets exceed...