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: wifi: ath9k: added a range check for connrspepid in htcconnectservice. I have identified the following bugs in my fuzzer: UBSAN: Array index out of bounds in drivers/net/wireless/ath/ath9k/htchst.c:26:51 Index 255 is out of range...

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

In the Linux kernel, the following vulnerability has been resolved: udf: The use of uninit-value in udfgetfileshortad has been fixed. A check for overflow was added when calculating alen in udfcurrentaext, to mitigate potential issues with uninit-value usage in udfgetfileshortad. This is related ...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Memory leaks have been fixed in checkfunccall. kmemleak reports this issue: Unreferenced object 0xffff88817139d000 size 2048: comm "testprogs", pid 33246, jiffies 4307381979 age 45851.820s Hex dump first 32 bytes: 01 00 0...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm: Fixed a potential null-ptr-deref in drmvblankDestroyWorker. The call to drmvblankinit includes drmMaddactionorreset, with drmvblankinitRelease as the action. If drmMaddaction fails, it will directly call...

Astra Linux – Vulnerability in Linux 5.15, Linux

In the Linux kernel, the following vulnerability has been resolved: Firmware: armscmi: Hardened access to reset domains. Accessing reset domain descriptors via indexes in SCMI driver requests, through the SCMI reset operation interface, may potentially lead to out-of-bound violations if the SCMI...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tipc: The issue in tipcnlcompatnametabledumpheader regarding the check of the msg-req TLV length was fixed. This is a follow-up to commit 974cb0e3e7c9 “tipc: fixing uninit-value in tipcnlcompatnametabledump", where a type cast fr...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: memcg: A potential “use-after-free” issue has been fixed in memcgwriteeventcontrol. memcgwriteeventcontrol accesses the dentry-dname of the specified control file to route the write operation. Since a cgroup interface file cannot...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: nl80211 – Fix for NULL-ptr dereference in the offchan check If, for example, in AP mode, the link has already been created by the user space, but has not yet been activated, it has a chandef field, but the chandef is invali...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: afunix: Fixed a data race in unixdgrampeerwakeme. unixdgrampoll calls unixdgrampeerwakeme without ensuring that the other lock is held, and without checking whether its receive queue is full. In this case, we need to use...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

Linux Kernel nftables: Vulnerability involving local privilege escalation after free operations; nftchainlookupbyid fails to check whether a chain is active, and CAPNETADMIN is present in any user or network namespace...

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

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: check/clear fast rx for non-4addr sta VLAN changes When moving a station out of a VLAN and deleting the VLAN afterwards, the fastrx entry still holds a pointer to the VLAN’s netdev. This can lead to use-after-free...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nbd: Null check for nlaneststart nlaneststart may fail and return NULL. A check should be added, and errno should be set based on other calls within the same source code...

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: ice: Fixed a potential NULL pointer dereference in the icebridgesetlink function. The icebridgesetlink function may encounter a NULL pointer dereference if nlmsgfindattr returns NULL, and brspec is dereferenced subsequently ...

Astra Linux – Vulnerability in mbedtls

A issue was discovered in Arm Mbed TLS before version 2.24.0. It incorrectly uses a revocationDate check when deciding whether to honor certificate revocation via a CRL. In some situations, an attacker can exploit this by changing the local clock...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: fix potential skb-frags overflow in the RX path When receiving data in the DPMAIF RX path, the t7xxdpmaifsetfragtoskb function adds page fragments to an skb without checking whether the number of fragments has...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Errors in error pointers were fixed in dpuplanevirtualatomiccheck. The function dpuplanevirtualatomiccheck was referencing pointers returned by drmatomicgetplanestate, without checking for errors. This could lead to...

Astra Linux – Vulnerability in Heimdal

The fix for CVE-2022-3437 involved changing the memcmp function to run in constant time, as well as providing a workaround for a compiler bug by adding comparisons of the result with the value “!= 0” to the memcmp function. When these patches were backported to the heimdal-7.7.1 and heimdal-7.8.0...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: quota: fixed the loop condition in f2fsquotasync The parameter cnt should be passed to sbhasquotaactive, rather than type, to correctly check the active quota. Moreover, when the type is -1, the compiler, with sufficient...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/ionic: Fixed a potential NULL pointer dereferencing in ionicqueryport. The function ionicqueryport calls ibdevicegetnetdev without checking the return value, which could lead to NULL pointer dereferencing. This issue has bee...