Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed an invalid prog-stats access when updateeffectiveprogs fails. The issue occurs due to a fault-injected code sequence in updateeffectiveprogs. The problem can be described as follows: c cgroupbpfdetach...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: scsi: smartpqi: Fix for disablemanagedinterrupts The issue with the registration of blk-mq using the module parameter “disablemanagedinterrupts” was corrected. When we disable the default PCIIRQAFFINITY flag, the driver needs ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RapidIO: mportcdev: Fix for a use-after-free in dmareqfree. The dmareqfree function acquires the bufmutex through req-map. It drops the reference to req-map using krefput, and then re-dereferences req-map again to unlock the mute...

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: iouring/rw: fixed the omission of the NOWAIT check for ODIRECT write operations. When iouring initiates a write operation, it calls kiocbstartwrite, which triggers the super block rwsem. This prevents any freezes from occurring...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: - misc: bcm-vk: Use acquire/release for msgqinited. bcmvksyncmsgq fills the message queue information and then sets msgqinited. Readers should call bcmvkdrvaccessok before accessing the message queues and their cached queue...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ASoC: qcom: qdsp6: topology: check widget type before accessing data Check the type of the widget before accessing private data. This is because a widget may be virtual and not associated with a DSP graph, container, or module...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: rtl8xxxu: Added cancelworksync for c2hcmdwork. The workqueue may still be running when the driver is stopped. To avoid a use-after-free, call cancelworksync in rtl8xxxustop...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbdirect: verifyremainingdatalength respects maxfragmentedrecvsize This issue is related to the check for dataoffset + datalength...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dm-integrity: A buffer overflow issue was addressed using a keyed discard mechanism. Since commit 68c5c42567bc “dm-integrity: replacing the forgeable discard filler with a keyed sector marker”, integritymetadata calculates a...

Astra Linux – Vulnerability in Linux 5.15

A issue was discovered in ksmbd within the Linux kernel versions 5.15 through 5.19, prior to 5.19.2. There is a heap-based buffer overflow in the setntacldacl function, which is related to the use of the SMB2QUERYINFOHE function after an incorrectly formatted SMB2SETINFOHE command...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Do not finalize the CSA in IBSS mode if the state is disconnected. When we are not connected to a channel, sending the “switch” announcement doesn’t make any sense. The BSS list is empty in that case. This causes...

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: wifi: mac80211: check tdls flag in ieee80211tdlsoper When NL80211TDLSENABLELINK is called, the code only checks whether the station exists, but does not check whether it is actually a TDLS station. This allows the operation to...

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: - net: ip6gre: Requires CAPNETADMIN in the device netns for changelink. - ip6grechangelink and ip6erspanchangelink operate on at most two netns: devnet and the tunnel link netns t-net. They differ when the device is created in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: core: Fixed a use-after-free in sndsocexit. KASAN reported a use-after-free: BUG: KASAN: Use-after-free in devicedel+0xb5b/0xc60. A read of size 8 at address ffff888008655050 was performed by the task rmmod/387. CPU: 2;...

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

A issue was discovered in the Linux kernel before version 5.19. In the pxa3xxgcuwrite function in drivers/video/fbdev/pxa3xx-gcu.c, the count parameter has a type conflict between sizet and int, which causes an integer overflow and bypasses the size check. Additionally, since this parameter is us...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Prevent the release of journal inode after journal shutdown. Before calling ocfs2deleteosb, the function ocfs2journalshutdown has already been executed in ocfs2dismountvolume. Therefore, osb-journal must be NULL. As a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Ice: The code for copying the last block was omitted in icegetmoduleeeprom. icegetmoduleeeprom is broken since the commit e9c9692c8a81 “Ice: Reimplement module reads used by ethtool”. In this refactoring, icegetmoduleeeprom reads...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: Endpoint: pci-epf-test: Add a NULL check for DMA channels before releasing them. The fields dmachantx and dmachanrx of the struct pciepftest can be NULL even after EPF initialization. Therefore, it is prudent to check that...

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: parport: Fixed a race condition between port and client registration. The parport subsystem registers port devices before they are fully initialized, resulting in a race condition where client drivers such as lp can attempt to...

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: netfilter: nfreject: Do not leak the destination refcount for loopback packets. Recent patches that added a warning when replacing the skb dst entry fixed an old bug. WARNINGS: - include/linux/skbuff.h:1165: skbdstcheckunset →...