Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: fixed the bug in the trap function of smb2lock. If the lock count is greater than 1, the flags might contain an old value. This issue should be checked using the flags of smb Lock, not those of smb Lock. This could lead...

Astra Linux – Vulnerability in Python 3.7, PHP 7.3

The Keccak XKCP SHA-3 reference implementation, prior to the update of fdc6fef, has an integer overflow and resulting buffer overflow issue. This vulnerability allows attackers to execute arbitrary code or compromise the expected cryptographic properties of the algorithm. This issue occurs within...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: binfmtmisc: Do not leak the user namespace when the mount fails. The bmgettree function takes a reference to the user namespace and passes it to gettreekeyed as the sget key. sgetfc moves this reference to sb-sfsinfo and clear...

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

In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags The MSGSPLICEPAGES function can attach pages from a pipe directly to an skb. TCP marks such skbs with SKBFLSHAREDFRAG after skbsplicefromiter, so later processes that may modi...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel through version 5.11.6. The fastrpcinternalinvoke function in drivers/misc/fastrpc.c does not prevent user applications from sending kernel RPC messages, also known as CID-20c40794eb85. This is a related issue to CVE-2019-2308...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Mark the bpf prog stack with kmsanunpoisonmemory in interpreter mode. syzbot reported uninitialized memory usage during maplookup,deleteelem. ========== BUG: KMSAN: uninitvalue in devmaplookupelem kernel/bpf/devmap.c:441...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Ice: Fixed the resource leak in the FDIR CTRL VSI resource management during iceresetallvfs. Resetting all VFs causes a resource leak when FDIR filters are enabled. CTRL VSIs are only invalidated rather than freed. The issue was...

Astra Linux – Vulnerability in gst-plugins-base1.0

GStreamer is a library for constructing graphs of media-handling components. A null pointer dereference has been discovered in the id3v2readsynchuint function, located in id3v2.c. If id3v2readsynchuint is called with a null work-hdr.framedata, the pointer guint8 data is accessed without validatio...

Astra Linux – Vulnerability in haveged

In src/havegecmd.c, the sockethandler function performs a credential check on the abstract UNIX socket \0/sys/entropy/haveged. However, while it detects that the connecting user is not root cred.uid != 0 and prepares a negative acknowledgment ASCIINAK, it fails to stop execution. The code proceed...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: xfrm: Clearing trailing padding in buildpolexpire The buildexpire function clears the trailing padding bytes of the struct xfrmuserexpire after setting the u8 hard field using memsetafter. However, the analogous function...

Astra Linux - Vulnerability in Golang-1.19

HTTP and MIME header parsing can allocate large amounts of memory, even when parsing small inputs, potentially leading to a denial of service. Certain unusual patterns of input data can cause the common function used to parse HTTP and MIME headers to allocate significantly more memory than is...

Astra Linux – Vulnerability in rsync

In rsync versions 3.0.1 through 3.4.1, the receivexattr function relies on an untrusted length value during a qsort call, resulting in a use-after-free vulnerability. The vulnerability is exploitable when rsync is executed with the -X option also known as --xattrs. On Linux, many but not all comm...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: sunrpc: pin svcxprt during the asynchronous TLS handshake callback svctcphandshake stores the raw svcxprt pointer in tlshandshakeargs.tadata and submits the request through tlsserverhellox509. The handshake core only takes...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: Added a missing lock in cfg80211checkandendcac. Callers of wdevchandef must hold the wiphy mutex. However, the worker function cfg80211propagatecacdonewk never holds the wiphy mutex. This triggers the following...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: eventpoll: Deferring the epfree function in eventpoll.c to an RCU callback during a grace period. In certain situations, epfree in eventpoll.c will free the epi-ep structure while it is still being used by another concurrent...

Astra Linux – Vulnerability in pillow

In versions 8.2.0 and earlier of Pillow, as well as versions 1.1.7 and earlier of PIL Python Imaging Library, an attacker can pass controlled parameters directly into the convert function, thereby triggering a buffer overflow in Convert.c...

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: bpf: Reject unhashed sockets in bpfskassign The semantics for bpfskassign are as follows: c sk = somelookupfunc bpfskassignskb, sk bpfskreleasesk That is, the sk is not consumed by bpfskassign. Therefore, the function must ensure...

Astra Linux – Vulnerability in libx11

A vulnerability was discovered in libX11 due to a boundary condition within the XkbReadKeySyms function. This flaw allows a local user to trigger an out-of-bounds read error and read the contents of memory on the system...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ibmvnic: Do not reset the dql stats during a NONFATAL reset. All ibmvnic resets should instead call netdevtxresetqueue when reopening the device. netdevtxresetqueue resets the numqueued and numcompleted byte counters. These stats...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: arm64: The issue was fixed in the concurrently setting of insnemulation sysctls. The emulationprochandler function changes table-data for procdointvecminmax. However, it may cause an OOPs error if called concurrently with itself:...