Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: qrtr: A refcount bug was fixed in qrtrrecvmsg. Syzbot reported the following bugs: refcountt: Addition of 0; use-after-free. … RIP: 0010:refcountwarnsaturate+0x17c/0x1f0 lib/refcount.c:25 … Call Trace: refcountadd:...

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

The dotlsgetsockopt function in net/tls/tlsmain.c in the Linux kernel, up to version 6.2.6, lacks a locksock call, resulting in a race condition. This can lead to a use-after-free issue or a NULL pointer dereferencing...

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: PCI/IOV: Fixed a race condition between enabling/disabling SR-IOV and hot-plug events. The commit 05703271c3cd “PCI/IOV: Added locking for PCI rescan and removal when enabling/disabling SR-IOV” attempted to address the race...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: xfs: Save the ailp pointer before releasing the AIL lock during push callbacks. In xfsinodeitempush and xfsqmdquotlogitempush, the AIL lock is released to perform buffer I/O operations. Once the cluster buffer no longer protects...

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

In the Linux kernel, the following vulnerabilities have been resolved: media: v4l2-m2m: added a lock to protect the numrdy parameter. An error occurs when using KCSAN to check the driver. A lock must be added to protect the numrdy parameter when retrieving its value using the v4l2m2mbufqueue...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: crypto: qat – The ADFSTATUSPFRUNNING flag should be set after adfdevinit. The ADFSTATUSPFRUNNING flag is only used and checked by adfvf2pfshutdown before calling adfiovputmsg-mutexlockvf2pflock. However, vf2pflock is initialized ...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8192u: Fixed a deadlock in ieee80211beaconsstop. There is a deadlock in ieee80211beaconsstop, as shown below: Thread 1 | Thread 2 | ieee80211sendbeacon ieee80211beaconsstop | modtimer spinlockirqsave //1 | Wa...

Astra Linux – Vulnerability in Firefox and Thunderbird

A missing delay in the timing of the pointer lock mechanism could have allowed a malicious page to trick users into granting permissions. This vulnerability affects Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9...

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

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fixed a suspicious RCU usage warning in iptunnelfind The per-netns IP tunnel hash table is protected by the RTNL mutex, and iptunnelfind is only called from the control path where the mutex is acquired. Added a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: hinic: Avoid kernel hangs in hinicgetstats64 When using the hinic device as a bonding slave device and reading statistics from the master bonding device, the kernel may hang. The kernel panic call trace is as follows: Kernel...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: 9p: transfd/p9conn Cancel: release the client lock earlier. The syzbot reported a double-lock issue here, and we no longer need this lock after the requests have been moved to the local list. We can simply release the lock earlie...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fixed the issue where a memory leak occurred after the session was logged off. There is an issue with the interaction between SMB2 session logging out and SMB2 session setup. This issue causes a memory leak after the sessi...

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

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fixed an issue that covered the reserve,releasecompressblocks function with the cprwsem lock. This fix is necessary to avoid race conditions with the checkpoint mechanism. Otherwise, filesystem metadata, including...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/gma500: Fixed a bug where a sleeping function called from an invalid context caused errors. The function gmacrtcpageflip held the eventlock spinlock while calling crtcfuncs-modesetbase, which requires the wwmutex. The only...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: oss: Fixed a race condition in SNDCTLDSPSYNC There is a small race condition in the sndpcmosssync function, which is called from OSS PCM SNDCTLDSPSYNC ioctl. Specifically, the function calls sndpcmossmakeready first, a...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: dlm: Fix for invalid read operations This patch addresses an invalid read operation shown by KASAN. When unlocking a resource, a structure called “struct plockop” is allocated. A subsequent sendop operation appends this structure...

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

In the Linux kernel, the following vulnerability has been resolved: IB/ipoib: Fixed the issue with locking the mcast list. The release of priv-lock while iterating over priv-multicastlist in ipoibmcastjointask creates a situation where ipoibmcastdevFlush may remove the items while the iteration i...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Fixed an Oops in the dasdaliasgetstartdev function due to a missing pavgroup parameter. The Oops occurred because the pavgroup pointer was set to NULL before the function was entered. This allowed a race condition...

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

In the Linux kernel, the following vulnerability has been resolved: bpf: Consider the return from setmemoryro when using bpfproglockro setmemoryro may fail, leaving memory unprotected. Consider this return value as an error...

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

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: prevented UAF in ip6sendskb syzbot reported a UAF in ip6sendskb 1 After ip6localout has returned, we no longer can safely dereference rt, unless we hold rcureadlock. A similar issue was fixed in the commit a688caa34beb...