Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ath10k: Error handling in ath10ksetupmsaresources has been fixed. The devicenode pointer is returned by ofparsephandle, with the refcount incremented. We should use ofnodeput on it after that operation. This function only calls...

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: llc: Fixed the SAP refcount leak in llcuiautobind. llcuiautobind creates an SAP after selecting a dynamic LSAP. llcsapopen returns a reference owned by the caller, and llcsapaddsocket takes a second reference for the socket’s...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: usb: gadget: ffs: The function ffsdataclear is called twice. This is because it is indirectly called from both ffsfskillsb and ffsep0release. As a result, it is called twice when the userland process closes ep0 and then unmoun...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: A potential reference count leak has been fixed in ndiscrouterdiscovery. This issue occurs on specific paths within the function. After the object rt and neigh are successfully acquired, when lifetime is non-zero but the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ASoC: atmel: Added the missing ofnodeput function in at91sam9g20ekaudioprobe. This node pointer is returned by ofparsephandle, and its refcount is incremented in this function. Calling ofnodeput is required to avoid the refcount...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: devlink: fixed the netns refcount leak in devlinknlcmdreload. While preparing my patch series that includes netns refcount tracking, I discovered bugs in devlinknlcmdreload. Some error paths failed to release the refcount...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: mediatek – Fixed error handling in mt8173max98090devprobe. Also, the call to nodeputplatformnode was added to avoid a reference count leak in the error path...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: irqchip/realtek-rtl: The refcount leak in mapinterrupts has been fixed. The offindnodebyphandle function returns a node pointer with a incremented refcount. We should use ofnodeput on it when there is no longer a need for it. Thi...

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

In the Linux kernel, the following vulnerability has been resolved: In the tcp module, use of refcountincnotzero in tcptwskunique was added. Anderson Nascimento reported a use-after-free issue in tcptwskunique, with a detailed analysis. Starting from the commit ec94c2696f0b „tcp/dccp: avoid one...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Do not check if plane-state-fb == state-fb Currently, when using non-blocking commits, the following kernel warnings can be observed: 110.908514 ------------ Cut here ------------ 110.908529 refcountt: Underflow; Use aft...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fixed the use of VAS memory after freeing it. The reference count on the memory module is dropped before the coprocessor is detached...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: Fix refcount leak in tidra7xbarrouteallocate. The ofparsephandle function returns a node pointer with a refcount incremented. We should use ofnodeput on it when it is no longer needed. Add the missing ofnodeput cal...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: soc: brcmstb: pm-arm: Fixed bugs related to reference count leaks and iomem leaks. In brcmstbpmprobe, there are two types of leak bugs: 1 We need to add ofnodeput when foreachmatchingnode breaks. 2 We need to add iounmap for...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: audio-graph-card: fixed the refcount leak of cpuep in graphforeachlink. ofgetnextchild returns a node with its refcount incremented, and decrements the refcount of the previous node. Therefore, in the error-prone part of th...

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

In the Linux kernel, the following vulnerability has been resolved: tipc: Force a dst refcount before doing decryption As stated in commit 3bc07321ccc2 “xfrm: Force a dst refcount before entering the xfrm type handlers”: “Crypto requests might return asynchronously. In this case, we leave the rcu...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8183: fixed a refcount leak in mt8183mt6358ts3a227max98357devprobe. The node returned by ofparsephandle has a refcount that is incremented; ofnodeput must be called when using it again. Therefore, this issue nee...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - Misc: ocxl: fixed a possible refcount leak in afuioctl. - eventfdctxput needs to be called to update the refcount obtained through eventfdctxfdget when ocxlirqsethandler fails...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: mediatek: mt8173-rt5650: Fixed a refcount leak in mt8173rt5650devprobe. ofparsephandle returns a node pointer with a refcount incremented; we should use ofnodeput on it when it is no longer needed. Fixed refcount leaks i...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: rpmsg: qcomsmd: Fixed a refcount leak in qcomsmdParseedge. In qcomsmdParseedge, ofparsephandle returns a node pointer with a refcount incremented. We should use ofnodeput on this pointer after processing...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: mediatek: mt8173: Fixed a refcount leak in the mt8173rt5650rt5676devprobe function. The ofparsephandle function returns a node pointer with a refcount incremented. We should use ofnodeput on it when it is no longer neede...