Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: xen/gntdev: Prevent leaking grants Prior to this commit, if a grant mapping operation failed partially, some of the entries in the mapops array would be invalid, while all of the entries in the kmapops array would be valid. This...

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

In the Linux kernel, the following vulnerability has been resolved: sctp: Check the send stream number after waitforsndbuf This patch addresses a corner case where the number of out streams may change after waitforsndbuf is called. When the main thread in the client initiates a connection, if the...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwl4965 – Added a check for the return value of the createsinglethreadworkqueue function. The check is added to prevent NULL pointer dereferencing...

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

In the Linux kernel, the following vulnerability has been resolved: rbd: Avoid use-after-free in dorbdadd, when rbddevcreate fails. If obtaining an ID or setting up a work queue in rbddevcreate fails, a use-after-free occurs on rbddev-rbdclient, rbddev-spec, and rbddev-opts in dorbdadd. The root...

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

In the Linux kernel, the following vulnerability has been resolved: kernel/failfunction: fixed a memory leak that occurred when using debugfslookup. When calling debugfslookup, the result must also contain a call to dput; otherwise, a memory leak will occur over time. To simplify things, simply...

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

In the Linux kernel, the following vulnerability has been resolved: crypto: seqiv – Properly handles the EBUSY error. Since seqiv only handles the special return value of EINPROGERSS, it means that in all other cases, it will free the data related to the request. However, since the caller of seqi...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: mediatek: mt8173: Enable IRQ when pdata is ready If the device does not come directly from reset, we might receive an IRQ before we are ready to handle it. 2.334737 Unable to handle kernel read from unreadable memory at...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: lvds: fixed the imbalance in the PM usage counter during power-on. The pmruntimegetsync function will increment the PM usage counter even if it fails. Forgetting to perform the necessary operations could lead to a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: misc: vmwballoon: A memory leak has been fixed by using debugfslookup. When calling debugfslookup, the result must be processed with dput, otherwise a memory leak will occur over time. To simplify things, simply call...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/setmemory: Avoid spinlock recursion in changepageattr The commit 1f9ad21c3b38 “powerpc/mm: Implement setmemory routines” included a spinlock call in changepageattr in order to safely perform the three-step operations...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: avoid disabling offload when it was never enabled In a rather strange API design decision, qdisc-destroy is called even if qdisc-init never succeeded. This isn’t exclusive to the commit 87b60cfacf9f “netsched:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ntfs: Check overflow when iterating ATTRRECORDs The kernel iterates over ATTRRECORDS in mft records in ntfsattrfind. Since ATTRRECORDS are adjacent to each other, the kernel can access the next ATTRRECORD from the end address of...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed memory leak. Why Resource release is necessary on the error handling path to prevent memory leaks. How This issue was fixed by adding the kfree function to the error handling path...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: preserved skbendoffset in skbunclonekeeptruesize syzbot discovered another way to trigger the infamous WARNONONCE delta truesize, and also ensure that TCP does not fill the new tailroom that skbexpandhead could obtain fro...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: fixed the dereferencing of a null pointer in hcisyncconnCompleteEvt. This event is only specified for SCO and eSCO link types. Upon receiving a HCISynchronousConnectionComplete event for a BDADDR of an existing LE...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix ref leak when switching zones When switching zones or network namespaces without performing a ct clear in between, a reference to the old ct entry is still leaked. This occurs because tcfctskbnfctcached...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: SCTP: Fixed a memory leak in sctpstreamoutqmigrate. When sctpstreamoutqmigrate is called to release resources related to streamouts, the memory pointed to by priohead in the streamout context is not released properly. The details...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: cfg80211 – Fix for buffer overflow in elem comparison. For vendor elements, the code assumes that 5 octets are present without checking them. Since the element itself has already been checked for compatibility, we only need...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: s5pcec: limit msglen to CECMAXMSGSIZE I expect that the hardware will have limited this value to 16, but just in case it isn’t the case, check for this corner case...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: habanalabs: fixed a possible memory leak in MMU DR fini. This patch corrects what appears to be a copy-paste error. A memory leak will occur if the host-resident shadow is NULL which is likely to happen since the DR and HR are no...