Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: sockmap: Avoid a race condition between sockmapclose and skpsockput. skpsockget will return NULL if the reference count of psock reaches 0, which will occur after the last call to skpsockput is completed. However, skpsockdrop may...

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

In the Linux kernel, the following vulnerability has been resolved: phy: ti: phy-omap-usb2: Fixed NULL pointer dereferencing for SRP. If the external PHY working together with phy-omap-usb2 does not implement sendsrp, we may still attempt to call it. This can occur on an idle Ethernet device that...

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

In the Linux kernel, the following vulnerability has been resolved: ALSA: Fixed deadlocks that occurred during the removal of kctl elements at disconnection. In sndcarddisconnect, we set the card-shutdown flag at the beginning, called callbacks, and performed synchronization for the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211hwsim: Fixed possible NULL dereferencing. In the call to mac80211hwsimselecttxlink, the sta pointer might be NULL. Therefore, it is necessary to check that it is not NULL before accessing it...

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: Tunnels: Fixed the crash when generating IPV4 PMTU errors due to KASAN. If we attempt to emit an ICMP error in response to a non-linear SKB, we encounter the following issue: Bug: KASAN: Out-of-bounds access in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: xfs: The data fork mapping is resampled after cycling ILOCK. xfsreflinkfillcowhole,delalloc involves an inode, a data fork mapping, and a cow fork mapping. Unfortunately, these two helpers cycle ILOCK to obtain a transaction,...

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: mlxsw: spectrummr: Fixed a use-after-free issue when updating multicast route statistics. The cited commit added a dedicated mutex instead of RTNL to protect the multicast route list. This ensures that the list does not change...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “cachefiles”: requests are removed from xarray during flushing of requests. Even when the CACHEFILESDEAD flag is set, we can still read the requests. Therefore, in concurrent scenarios, a request may be accessed after it has been...

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

In the Linux kernel, the following vulnerability has been resolved: md: fixed the kmemleak in rdev-serial If kobjectadd fails in bindrdevtoarray, ‘rdev-serial’ will not be freed, resulting in a kmemleak. Unreferenced object 0xffff88815a350000 size 49152: Comm “mdadm”, pid 789, jiffies 4294716910...

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: netfilter: nftables: rejecting new basechains after table flag updates When the “dormant” flag is toggled, hooks are disabled during the commit phase by iterating over existing and new chains in the table. The following...

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: scsi: libiscsi: Initialize iscsiconn-dddata only if memory is allocated. In the case of an ibfastregmr allocation failure during iSER setup, the system may encounter a panic because iscsiconn-dddata is initialized unconditionally...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: EFI: Fixed a panic in the kdump kernel. Check whether the getnextvariable function is indeed a valid pointer before calling it. In the kdump kernel, this function is set to NULL, which causes a panic during the kexec-ed kernel...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: A memory leak was fixed in testgensynthcmd and testemptysynthevent. In testgensynthcmd, the buffer is freed only in the “fail” path. Therefore, the buffer may be leaked when there is no failure. Adding kfreebuf preven...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fixed a general protection fault in nilfsbtreeinsert If nilfs2 reads a corrupted disk image and attempts to read a b-tree node by calling nilfsbtreegetblock against an invalid virtual block address, it returns -ENOENT...

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

In the Linux kernel, the following vulnerability has been resolved: jfs: Fixed the uninit-value access to newea in eabuffer syzbot reports that lzo1x1docompress uses uninit-value: ===================================================== BUG: KMSAN: Uninit-value in lzo1x1docompress+0x19f9/0x2510,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: afs: Fixed a potential null pointer dereferencing in afaPutServer. afaPutServer accesses server-debugid before a NULL check is performed, which could lead to a null pointer dereferencing. The assignment of debugid has been mov...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A use-after-free flaw was discovered in the Linux kernel’s Atheros wireless adapter driver, where a user can cause the ath9khtcwaitfortarget function to fail with certain input messages. This flaw allows a local user to crash the system or potentially escalate their privileges on the system...

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

A flaw was discovered in the Linux kernel. A use-after-free may occur when plugging/dismounting a malicious USB device that claims to be an Asus device. Similar to the previously known CVE-2023-25012, but in Asus devices, the workstruct structure may be modified by the LED controller during the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: rndishost: The secure rdrisquery check prevents integer overflow. The variables off and len, which are typed as uint32 in the rdrisquery function, are controlled by the incoming RNDIS response message. Therefore, their value...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: binfmtflat: Fixed an integer overflow bug on 32-bit systems. Most of these sizes and counts are capped at 256MB, so the calculations do not result in integer overflows. The “relocs” count also needs to be checked. Otherwise, o...