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

In the Linux kernel, the following vulnerability has been resolved: archtopology: The incorrect error check in topologyparsecpucapacity was fixed. The incorrect use of PTRERRORZERO in topologyparsecpucapacity was also corrected. This caused the code to proceed with NULL clock pointers. The curren...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mei: fix potential NULL-ptr deref after clone If cloning the SKB fails, do not attempt to use it; instead, return an error as if you should pass an error code. Coverity CID: 1503456...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a6xx: move preemptpreparepostamble after error check The call to preemptpreparepostamble is moved after verifying that preemptpostambleptr is valid. If preemptpostambleptr is NULL, dereferencing it in...

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: net: dlink: handle copythresh allocation failure The driver did not handle the failure of netdevallocskbip-align. If the allocation fails, dereferencing skb-protocol could lead to a NULL pointer dereference. This patch attempts t...

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

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: Fixed a race condition in kprobe initialization that could lead to NULL pointer dereferencing. There is a critical race condition in kprobe initialization that can result in NULL pointer dereferencing and cause the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: ipu3imggu: Fixed a NULL pointer dereferencing issue in active selection access. The IMGu driver handled this by first acquiring the pointers to the active devices, then attempting V4L2 Subdev operations, and only then...

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

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Fixed a NULL pointer dereference in ‘niwrite inode’. Syzbot identified the following issue: Unable to handle a NULL pointer dereference at the virtual address 0000000000000016. Memory abort information: ESR =...

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: net: fec: A potential issue related to NPD has been fixed in fecenetPhyResetAfterclkEnable. The function phyfinddevice may return NULL. Therefore, we need to be careful when dereferencing phydev...

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

In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb-v2: gl861: Fix nullptrderef in gl861i2cmasterxfer In gl861i2cmasterxfer, 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. Malicious dat...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: cs35l41: Fixed NULL pointer dereferencing in cs35l41hdareadacpi The acpigetfirstphysicalnode function may return NULL. In such cases, the getdevice function also returns NULL. However, this value is then dereferenced...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sched: schcake: Fixed incorrect qlen reduction in cakedrop In cakedrop, qdisctreereducebacklog is used to update the qlen and backlog of the qdisc hierarchy. Its caller, cakeenqueue, assumes that the parent qdisc will enqueue...

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: powerpc/powernv/sriov: Perform a null check on iov before dereferencing iov. Currently, the pointer iov is dereferenced before the null check of iov, which can lead to a null pointer dereference error. This issue is fixed by movi...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: be2net: Pass wrbparams in case of OS2BMC. The function beinsertvlaninpkt is called with the wrbparams argument being NULL at the besendpkttobmc call site. This may lead to dereferencing a NULL pointer during the processing of a...

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

In the Linux kernel, the following vulnerability has been resolved: dm: A NULL pointer dereference occurred in dmsuspend. There is a race condition between the suspension of the dm device and the loading of data into the table, which can lead to a NULL pointer dereference. This issue occurs when...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mmc: sunplus: fixed the return value check in mmcaddhost The mmcaddhost function may return an error if we ignore its return value. As a result: 1. The memory allocated in mmcallochost will be leaked. 2. A null-ptr-deref...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: lib/buildid: Use kernelread for the sleepable context. A bug has been prevented: “BUG: Unable to handle a NULL pointer dereferencing in filemapreadfolio.” For the sleepable context, change freader to use kernelread instead of...

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: media: af9005: Fix null-ptr-deref in af9005i2cxfer In af9005i2cxfer, 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. Malicious data will eventually...

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: Firmware: mesonsm – fixed to avoid potential NULL pointer dereferencing. The ofmatchdevice function may fail and return a NULL pointer. This issue was addressed by checking the return value of ofmatchdevice...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Added a check for kmemdup. Since kmemdup may return a NULL pointer, it would be better to add a check on the return value to avoid dereferencing a NULL pointer...

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

In the Linux kernel, the following vulnerability has been resolved: net/sctp: A null dereference in the sctpdisposition sctpsfdo51Dce function has been fixed. If newasoc-peer.adaptationind=0, sctpulpeventmakeauthkey=0, and sctpulpeventmakeauthkey returns 0, then the variable aiev remains zero, an...