Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: can: xilinxcan: xcanwriteframe – Fixed the issue of a use-after-free of the transmitted SKB. canputechoskb takes ownership of the SKB, and it may be freed during or after the call. However, xilinxcan xcanwriteframe continues t...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: BPF: Protection against integer overflows for stack access sizes This patch reintroduces protection against access to stack memory having a negative value. The access size can appear negative due to overflow in its signed integer...

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

In the Linux kernel, the following vulnerabilities have been resolved: BUG: KASAN: Slab-out-of-bounds in crc32body lib/crc32.c:111 inline BUG: KASAN: Slab-out-of-bounds in crc32legeneric lib/crc32.c:179 inline BUG: KASAN: Slab-out-of-bounds in crc32lebase+0x58c/0x626 lib/crc32.c:197 A read of siz...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: WireGuard: socket: freeskb in send6 when IPv6 is disabled. I received a report of a memory leak: Unreferenced object: 0xffff8881191fc040 size 232 Command: kworker/u17:0, PID: 23193, Jiffies: 4295238848 age: 3464.870 seconds Hex...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nvme: fixed the lifetime of the admin requestqueue Namespaces can access the controller’s admin requestqueue, and stale references on the namespaces may exist after tearing down the controller. Ensure that the admin requestqueue ...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: A buffer overflow has been fixed in the liootargetnaclinfoshow function. The function liootargetnaclinfoshow uses sprintf within a loop to print details for each iSCSI connection in a session, without checkin...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftlimit: avoided a possible division error in nftlimitinit divu64 divides an u64 value by an u32 value. nftlimitinit attempts to divide an u64 value by another u64 value; the appropriate math function div64u64 shou...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: xfs: fixed issues with freemap adjustments when adding xattrs to leaf blocks. Both xfs/592 and xfs/794 fail this assertion in the leaf block freemap adjustment code after approximately 20 minutes of execution on my test VMs...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net/smc: A NULL pointer dereferencing issue was addressed in smcpnetfindib. The devname function was called with dev.parent as an argument, but without performing a NULL-check before using it. This issue was resolved by checking...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: can: dev: cangetechoskb: prevents calling kfreeskb in a hard IRQ context. If a driver calls cangetechoskb during a hardware IRQ which is often, but not always the case, the WARNONinirq in net/core/skbuff.cskbreleaseheadstate migh...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k: hifusb: Clean up skbs if ath9khifusbrxstream fails Syzkaller detected a memory leak of skbs in ath9khifusbrxstream. While processing skbs in ath9khifusbrxstream, the already allocated skbs in skbpool are not freed if...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/kmemleak: Avoid scanning potential huge holes. When using devmrequestfreememregion and devmmemremappages to add ZONEDEVICE memory, if the end PFN of the requested free memory region is huge e.g., 0x400000000, then nodeendpfn...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In the fbdev subsystem, within the vt8623fb function, there is a issue where the value of screensize is calculated based on user input. If an improper value is provided by the user, the value of screensize may be larger than...

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

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-tpg: fix some memleaks in tpgalloc. In tpgalloc, resources should be deallocated in every possible error-handling path, as they are allocated using for statements. Otherwise, memleaks could occur, since tpgfree is onl...

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

In the Linux kernel, the following vulnerability has been resolved: ceph: The “use after free” error was prevented in encodecapmsg. In the file fs/ceph/caps.c, within encodecapmsg, the “use after free” error was detected by KASAN at this line – cephbuffergetarg-xattrbuf;. This means that before t...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Replaces WARNONs with nilfserror in cases where checkpoint acquisition fails. If the creation or finalization of a checkpoint fails due to anomalies in the checkpoint metadata on disk, a kernel warning is generated. This...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: TCP: Added sanity tests to TCPQUEUESEQ Qingyu Li reported a syzkaller bug where the repro function changed the RCV SEQ after restoring data in the receive queue. mprotect0x4aa000, 12288, PROTREAD = 0 mmap0x1ffff000, 4096, PROTNON...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Unallocated resources are no longer allowed to be returned. In cases where the topology requests resources that have not been created by the system since they are typically not represented in dpumdsscfg, the resource...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ntfs3: init run lock for extend inode After setting the inode mode of $Extend to a regular file, executing the truncate system call will invoke the dotruncate routine, resulting in an uninitialized runlock error reported by syzbo...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: soc: rockchip: Fixed the refcount leak in rockchipgrfinit. offindmatchingnodeandmatch returns a node pointer with a incremented refcount. We should use ofnodeput on it after processing. Added ofnodeput to prevent the refcount...