Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: spi: tegra20-slink: Fixed a UAF Use-after-Allocation issue in tegraslinkremove. After calling spiunregistermaster, the refcount of the master will decrease to 0, and it will be freed in spicontrollerrelease. The device data will...

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

In the Linux kernel, the following vulnerability has been resolved: ACPI: LPIT – Avoid u32 multiplication overflow. In the function lpitupdateresidency, there is a possibility of overflow during multiplication, if tsckhz is large enough UINTMAX/1000. The multiplication operation should be replace...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwlwifi: mvm: Pause TCM when the firmware is stopped Ignoring this issue will cause us to send a host command to the transport module while the firmware is not active, which will trigger a WARNING. Bad state = 0 WARNING: CP...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetrbtree: check for partial overlaps in anonymous sets The user space provides an optimized representation when case intervals are adjacent, where the end element is omitted. The existing partial overlap detection...

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: Bluetooth: Fixed null-ptr-deref in l2capsockresumecb. syzbot reported null-ptr-deref in l2capsockresumecb. 0 l2capsockresumecb has a similar issue that was fixed in commit 1bff51ea59a9 “Bluetooth: fixed use-after-free errors i...

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

In the Linux kernel, the following vulnerability has been resolved: vcscreen: The load of the struct vcdata pointer in vcsread was moved to avoid a Use-After-Free UAF condition. After a call to consoleunlock in vcsread, the struct vcdata structure can be freed using vcdeallocate. Therefore, the...

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/sched: schqfq: Fixed a null dereference in aggdequeue. To prevent a potential crash in aggdequeue when cl-qdisc-ops-peekcl-qdisc returns NULL, we check the returned value before using it, similar to the existing approach in...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: enetc: avoid buffer leaks on xdpdoredirect failure Before enetccleanrxringxdp calls xdpdoredirect, each software BD in the RX ring between index origi and i can have one of two refcount values on its page. We are the current...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix refcnt handling in inethashconnect. syzbot reported a warning in sknullsdelnodeinitrcu. The commit 66b60b0c8c4a "dccp/tcp: Unhash sk from ehash for tb2 alloc failure after checkestalblished." tried to fix an issue that a...

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: NFS: Automounted file systems should inherit the “ro”, “noexec”, “nodev”, and “sync” flags. When a file system is automatically mounted, it needs to preserve the user-set superblock mount options, such as the “ro” flag...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: This issue prevents infinite loops that occur when the next valid value remains the same. When processing the valid field within the range valid : pos, if the valid value cannot be correctly retrieved—for example, if th...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fixed the calltrace warning in psphwfini. The call trace occurs when the amdgpu is removed after a mode1 reset. During a mode1 reset, from suspend to resume, there is no need to reinitialize the ta firmware buffer,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: gso: Fixed a panic that occurred when using a fraglist with mixed head allocation types. Since the commit 3dcbdb134f32 “net: gso: Fixed an error in skbsegment when splitting a gsosize mangled skb having linear-headed...

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

In the Linux kernel, the following vulnerabilities have been resolved: media: gspca: cpia1: shift-out-of-bounds in setflicker Syzkaller reported the following issue: UBSAN: Shift-out-of-bounds in drivers/media/usb/gspca/cpia1.c:1031:27; shift exponent 245 is too large for a 32-bit type ‘int’. Whe...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fixed the bulk-buffer overflow issue. The driver uses buffers sized equal to the endpoint size, but it should not assume that the tx and rx buffers have the same size. A malicious device could cause the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: x86/MCE/AMD: Use a u64 type for the bankmap. The maximum number of MCA banks is 64 MAXNRBANKS; see a0bc32b3cacf “x86/mce: Increase the maximum number of banks to 64”. However, the bankmap, which contains a bitfield indicating whi...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Eliminate the window where the window in which TLB flushes may be inadvertently skipped. TL;DR: There is a window in the MM switching code where the new CR3 is set, and the CPU should receive TLB flushes for the new MM...

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: net/sched: It is enforced that teql can only be used as a root qdisc. The design intent of teql is that it is only supposed to be used as a root qdisc. Therefore, we need to ensure this constraint is respected. Although not very...

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

In the Linux kernel, the following vulnerability has been resolved: fs/9p: Only the RWX permissions are translated for the plain 9P2000. Garbage data is allowed to pass through the perm bits of the plain 9P2000, allowing it to set, among other things, the suid bit. This probably wasn’t the intend...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fixed NULL pointer dereferencing in svmmigratetoram ./drivers/gpu/drm/amd/amdkfd/kfdmigrate.c:985:58-62: Error: p is NULL, but it was dereferenced...