Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Tracing: Fixed wild-memory-access in registersynthevent. In registersynthevent, if setsyntheventprintfmt fails, then both traceremoveeventcall and unregisterTraceEvent will be called. This means that traceeventcall will call...

Astra Linux – Vulnerability in Gdal

In GDAL version 3.0.1 and later, there is a double-free in the poolDestroy function within OGRExpatRealloc in the ogr/ogrexpat.cpp file, which occurs when the 10MB threshold is exceeded...

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/sched: ets: Remove a drr class from the active list if it changes to strict. Whenever a user issues a ets qdisc change command, transforming a drr class into a strict one, the ets code does not check whether that class was in...

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: ocfs2: A double-free operation was corrected in userclusterconnect. userclusterdisconnect frees "conn-ccprivate", which is actually "lc". However, the error handling frees "lc" again. Setting "lc" to NULL in this case can prevent...

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

In the Linux kernel, the following vulnerabilities have been resolved: fs/jfs: prevented double-free in dbUnmount after failed jfsremount Syzkaller reported the following issue: ================================================================== BUG: KASAN: double-free in slabfree mm/slub.c:3787...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Double-free of rqxprtctxt while it is still in use. When a RPC request is deferred, the pointer rqxprtctxt is moved out of the svcrqst to the svcdeferredreq. When the deferred request is revisited, the pointer is copied...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: The pointer wdev-cqmconfig must be cleared when freeing it during unregistration. This is necessary because the same wdev/netdev may be re-registered in another network namespace, and then destroyed later. Running...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/smc: Fixed a double-free of the smcspdpriv variable when tee duplicates the splice pipe buffer. The smcrxsplice function allocates one smcspdpriv per pipebuffer and stores the pointer in pipebuffer.private. The operations...

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: uacce: Implement mremap in uaccevmops to return -EPERM. The current uaccevmops does not support the mremap operation of vmoperationsstruct. Implement .mremap to return -EPERM to remind users. The reason we need to explicitly...

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: netrom: The double-free issue in nrrouteframe has been fixed. In nrrouteframe, the oldskb is freed immediately, without checking whether nrneigh-ax25 is NULL. As a result, if nrneigh-ax25 is NULL, the calling function will free...

Astra Linux – Vulnerability in ffmpeg

FFmpeg n7.0 is affected by a double-free issue through the rkmppretrieveframe function in libavcodec/rkmppdec.c...

Astra Linux – Vulnerability in libxml2

A issue was discovered in libxml2 before version 2.10.4. When hashing empty dictionary strings in a crafted XML document, the xmlDictComputeFastKey function in dict.c can produce non-deterministic values, resulting in various logical and memory errors, such as double-free errors. This behavior...

Astra Linux – Vulnerability in Linux, Linux 5.10

A memory leak flaw in the Linux kernel’s hugetlbfs memory usage was discovered in the way that the system maps some regions of memory twice using shmget. These mappings are aligned according to PUD alignment, resulting in some memory pages being misaligned. A local user could exploit this flaw to...

Astra Linux – Vulnerability in OpenLDAP

A flaw was discovered in OpenLDAP before version 2.4.57, which led to a double-free and slapd crash during the saslAuthzTo process, resulting in a denial of service...

Astra Linux – Vulnerability in libgd2

In the gdgd2.c file of the GD Graphics Library also known as LibGD, the function gdImageGd2Ptr has a double-free issue starting from version 2.3. NOTE: The vendor’s stance is that the GD2 image format is a proprietary image format of LibGD. It should be considered obsolete and should only be used...

net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME

A flaw was found in the net package of Go golang, specifically when using the LookupCNAME function with the cgo DNS resolver. A remote attacker could exploit this by providing a very long Canonical Name CNAME response. This can trigger a double-free of C memory, leading to a crash and a Denial of...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nfsd: calls oprelease, even when opfunc returns an error. For operations with “trivial” responses, nfsd4encodeoperation will shortcut most of the encoding process and simply proceed to marshaling the status. One of the things it...

Astra Linux – Vulnerability in Chromium

The double-free operation in WebGL in Google Chrome before version 102.0.5005.115 allowed a remote attacker to potentially exploit heap corruption through a crafted HTML page...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Tracing: Fixed a potential double-free issue in createvarref. In createvarref, initvarref is called to initialize the fields of the reffield variable. This variable is allocated in the previous function call, to createhistfield...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: A double-free operation in siparsepowertable has been fixed. In the function siparsepowertable, the array adev-pm.dpm.ps and its members are allocated. If the allocation of each member fails, the array itself is freed...