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 →...

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

In the Linux kernel, the following vulnerabilities have been resolved: firmwareloader: Block path traversal Most firmware names are hardcoded strings, or are constructed from fairly constrained format strings where the dynamic parts are just some hexadecimal numbers or similar elements. However,...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: smb/server: fixed a potential null-ptr-deref of leasectxinfo in smb2open A null-ptr-deref will occur when reqoplevel == SMB2OPLOCKLEVELLEASE and parseleasestate returns NULL. This issue was fixed by checking whether...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: A mistake in the array index was corrected in rtw89stainfogetiter. In rtw89stainfogetiter, status-hegi is compared to the array size. However, rate-hegi is used as the array index instead of status-hegi. This can lea...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Check whether the transferred 2D BO is a shmem BO. The transferred 2D BO must always be a shmem BO. Add a check to prevent NULL dereferencing if the user space passes a VRAM BO...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Net: Bridge: mcast: Fixed an issue where a use-after-free occurred with the multicast context of a master VLAN. The brmulticasttoggleonevlan function clears the BRVLFLAGMCASTENABLED flag under the br-multicastlock before...

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

Linux block and network PV device frontends do not zero memory regions before sharing them with the backend CVE-2022-26365, CVE-2022-33740. Additionally, the granularity of the grant table does not allow sharing smaller than a 4K page, resulting in unrelated data residing in the same 4K page as...

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: nvmet-tcp: bounds checks were added in nvmettcpbuildpduiovec. The nvmettcpbuildpduiovec function could exceed cmd-req.sg when the PDU length or offset exceeded sgcnt, and then use bogus values of sg-length/offset. This led to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Call srcu when importing watchpoint data. The function importwpinfo backs up the original guest memory contents of a watchpoint using readguestabs. This function is equivalent to kvmreadguest, and it resolves the issue...

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: drm/amdgpu: Fixed a potential NULL pointer dereference in the atomctrlgetsmcsclkrangetable function. The function atomctrlgetsmcsclkrangetable does not check the return value of smuatomgetdatatable. If smuatomgetdatatable fails t...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: tpm: tpmtisspi: Use waitwoken in waitfortmpstat waiteventinterruptibletimeout evaluates its condition after setting the current task state to TASKINTERRUPTIBLE. With CONFIGDEBUGATOMICSLEEP, this triggers a warning when the IRQ wa...

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

In the Linux kernel, the following vulnerability has been resolved: nvmet: A possible leak has been fixed when destroying a ctrl during qp establishment. In nvmetsqdestroy, we capture sq-ctrl early. If it is not NULL, we know that a ctrl was allocated during the admin connect request handling. We...