Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: vivid: fix compose-height boundary issue Syzkaller identified a bug: BUG: Unable to handle page faults for address: ffffc9000a3b1000 PF: Supervisor write access in kernel mode PF: Errorcode0x0002 – Not-present page PGD...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: For the clk subsystem, in the qcom module, there is a issue where gcc-sm6350 uses parentmap for two clocks that actually doesn’t exist. If a clkrcg2 has a parent, it should also have the parentmap property defined. Otherwise, a...

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

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfsetpipapo: Fix for the initial map filling issue. The initial buffer must be initialized to “all-ones”, but this must be limited to the size of the first field, not the total field size. After each round of the map...

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

In the Linux kernel, the following vulnerabilities have been resolved: clocksource/drivers/cadence-ttc: Fixed a memory leak in ttctimerprobe. Matching reports: drivers/clocksource/timer-cadence-ttc.c: Line 529, ttctimerprobe; Warning: ‘timerbaseaddr’ from ofiomap is not released on lines...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed the issue where foreground garbage collection might be triggered during f2fsmapblocks in lfs mode. The issue occurs when the “mode=lfs” mount option is used; this can cause a system panic. ------------ Cut here...

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: BPF, sockmap: Prevent lock inversion deadlock in mapdeleteelem operation. The syzkaller started using corpuses where a BPF tracing program deletes elements from a sockmap/sockhash map. Since BPF tracing programs can be invoked fr...

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

In the Linux kernel, the following vulnerability has been resolved: x86/mm/identmap: Use GB pages only when a full GB page should be mapped. When identpudinit uses only GB pages to create identity maps, large ranges of addresses that are not actually requested can be included in the resulting...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: XDP: Use the flags field to disambiguate broadcast redirections When redirecting a packet using XDP, the bpfredirectmap helper function sets the redirection destination information in the struct bpfredirectinfo structure using th...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: BPF, sockmap: Do not allow sockmapclose,destroy,unhash to call itself. Proto callback functions in sockmap should never call themselves by design. Protect against bugs like 1 and break out of the recursive loop to avoid a stac...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: A NULL pointer dereference issue was fixed in hnsrocemapmrsg. The function ibmapmrsg allows ULPs to specify NULL as the sgoffset argument. The driver needs to check whether the argument is a NULL pointer before...

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: um: Fixed potential integer overflow during physmem setup. This issue occurs when the real map size is greater than LONGMAX, and it can be easily triggered on UML/i386...

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: bpf: Fix OOB devmap writes when deleting elements Jordy reported an issue with XSKMAP, which also affects DEVMAP. Due to XSKMAP being a signed integer, OOB writes occur. The fix is simple—change the type from int to u32. However,...

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

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Stop parsing channel bits when all channels are found. If a USB audio device sets more bits than the number of channels it supports, it may write data outside of the map array...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: Do not drop the extentmap for free space inode on a write error. While running the CI for an unrelated change, I encountered the following panic: with generic/648 on btrfsholesspacecache. Assertion failed: blockstart !=...

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

In the Linux kernel, the following vulnerability has been resolved: bpf: Deferring the release of the inner map when necessary When updating or deleting an inner map in the map array or map htab, the map may still be accessed by non-sleepable programs or sleepable programs. However, bpfmapfdputpt...

Astra Linux – Vulnerability in Zabbix

When a URL is added to the map element, it is recorded in the database with a sequential ID. When adding a new URL, the system retrieves the previous value of the sysmapelementurlid and increments it by one. However, an issue arises when a user manually changes the sysmapelementurlid value by...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix possible map leak in fastrpcputargs The failure of copytouser could cause an early return without cleaning up the fdlist, which has been updated by the DSP. This could lead to a map leak. This issue is fixed by...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: A reference count leak was fixed in snruncoremmiomap. pcigetdevice will increase the reference count of the returned pcidev. Therefore, snruncoregetmcdev will return a pcidev with its reference count...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fixed the race condition involving skb after locking operations. There is a race condition where the skb from the skpsockbacklog can be referenced after the user-space environment has already consumed the skbuff usi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftobjref: validate objref and objrefmap expressions Referring to a synproxy stateful object from the OUTPUT hook causes the kernel to crash due to infinite recursive calls: BUG: The TASK stack guard page was accessed ...