Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: extcon: The extcon device is modified to be created after the driver data is set. Currently, someone can invoke sysfs functions such as stateshow intermittently before devsetdrvdata is performed. This can lead to a kernel Oops...

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

In the Linux kernel, the following vulnerability has been resolved: jfs: Fixed an out-of-bounds shift in dbDiscardAG. When searching for the next smaller log2 block, BLKSTOL2 returned 0, causing the shift exponent -1 to become negative. This patch fixes the issue by exiting the loop directly when...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fixed a NULL pointer dereferencing issue in smb2getinfofilesystem. If share is provided, share-path will be NULL, which can lead to a NULL pointer dereferencing issue...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In TLS communication, there was an issue where we took a reference to psock after locking the RX lock, in order to avoid leaks. At the beginning of the tlsswrecvmsg function, we take a reference to psock, and then call...

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

A problem with out-of-bound reading was detected in brcmfmac/cfg80211.c within the drivers/net/wireless/broadcom/brcm80211 directory of the Linux kernel. This issue can occur when the associnfo-reqlen data is larger than the size of the buffer, which is defined as WLEXTRABUFMAX, resulting in a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Some memory leaks have been fixed in the error handling path of logreplay. All error handling paths lead to out, where many resources are freed. Do the same here instead of using a direct return. Otherwise, log, ra, and...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fixed a reference count leak when an invalid session is found during session lookup. When a session is found, but its state is not SMB2SESSIONVALID, it indicates that no valid session was found. However, the reference coun...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ARP: Do not assume that devhardheader does not change skb-head. arpcreate is the only function that calls devhardheader, and it makes an assumption that skb-head remains unchanged. A recent commit broke this assumption. The @arp...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: dwc2: host – Fixed the dereference issue in the DDMA completion flow. The dereference issue in the DDMA completion flow has been addressed...

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

A out-of-bounds access vulnerability involving netfilter was reported and fixed as: f1082dd31fe4 netfilter: nftables: Reject tables of unsupported family. While creating a new netfilter table, the lack of a safeguard against invalid nftables family pf values within the nftablesnewtable function...

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: SCTP: A potential out-of-bounds exception has been prevented in sctptransportupdaterto. SYZBOOT reported a potential out-of-bounds exception 1. The responsible developer added rtoalphamax and set rtobetamax to 1000. It is...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed an inode leak in ext4xattrinodecreate, which occurs on an error path. There is a issue when using setxattr with a fault injection: localhost fsck.ext4 -fn /dev/sda e2fsck 1.46.6-rc1 12-Sep-2022 Pass 1: Checking...

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/smc: The use of smclgrlist.lock is required to protect the iteration of smclgrlist.list during smcrportadd. During the execution of smcrportadd, there may be operations that add or delete entries from smclgrlist.list at the...

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

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fixed a potential issue after the “user-after-free” operation. This fix addresses all cases where allocating a buffer using allocskb might release the “chan lock”, and reacquiring it later could result in the...

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

In the Linux kernel, the following vulnerability has been resolved: vmcihost: A race condition in vmcihostpoll caused by a General Protection Fault GPF has been fixed. During fuzzing, a General Protection Fault was observed in vmcihostpoll. The General Protection Fault occurred, likely due to...

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

In the Linux kernel, the following vulnerability has been resolved: spmi: Added a check for a remove callback when removing a SPMI driver. When removing a SPMI driver, a crash may occur due to a NULL pointer dereference if no remove callback is defined. This was observed in a call trace when...

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

In the Linux kernel, the following vulnerability has been resolved: In md/raid10, there is a issue where memory leaks occur in the MD thread. In raid10run, if setupconf succeeds and raid10run fails before setting ‘mddev-thread’, then the variable ‘conf-thread’ is not freed after the failure. This...

Astra Linux – Vulnerability in Linux, Linux 5.10

A heap buffer overflow flaw was discovered in the IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with normal user privileges to overwrite kernel heap objects and may lead to a local privilege escalation attack...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Prevent panic when SDMA is disabled. If the hfi1 module is loaded with HFI1CAPSDMA disabled, a call to hfi1writeiter will dereference a NULL pointer, resulting in a panic. A typical stack frame is as follows:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A null pointer dereference was detected in the Linux kernel’s Integrated Sensor Hub ISH driver. This issue could allow a local user to crash the system...