Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: BPF: Fixed a UAF issue in bpftrampolinelinkcgroupshim The root cause of this bug is that when ‘bpflinkput’ reduces the refcount of ‘shimlink-link.link’ to zero, the resource is considered released, but may still be referenced via...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: fslmqs – ofnodeput has been moved to the correct location. ofnodeput should have been executed immediately after mqspriv-regmap = sysconnodetoregmapgprnp;. Otherwise, it causes a reference leak during the successful executi...

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

In the Linux kernel, the following vulnerability has been resolved: ipv6/addrconf: fixed a potential refcount underflow for idev. In addrconfmodrstimer, the reference to idev depends on whether rstimer is not pending. Therefore, the timeout of rstimer was modified. There is a time gap in 1 during...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: serial: caif: holding the tty-link reference in ldiscopen and serrelease A reproducer triggers a KASAN slab-use-after-free in ptywriteroom when caifSerial’s TX path calls ttywriteroom. The faulty access occurs on tty-link-port. A...

Astra Linux – Vulnerability in Firefox and Thunderbird

If an AlignedBuffer is assigned to itself, the subsequent self-move operation may lead to an incorrect reference count, potentially causing a use-after-free issue. This vulnerability affects Firefox 125, Firefox ESR 115.10, and Thunderbird 115.10...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci-pci: A possible memory leak caused by the missing pcidevput has been fixed. pcigetdevice will increase the reference count of the returned pcidev. We need to use pcidev PUT to decrease the reference count before amdpro...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: cpufreq: zynq: Fixed a refcount leak in zynqgetrevision. offindcompatiblenode returns a node pointer with a refcount incremented; we should use ofnodeput on it after processing. Added ofnodeput to avoid the refcount leak issue...

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

In the Linux kernel, the following vulnerability has been resolved: can: j1939: prevents deadlock by changing j1939sockslock to rwlock. The following 3 locks may race against each other, causing a deadlock situation in the Syzbot bug report: - j1939sockslock - activesessionlistlock -...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In OpenVSwitch, the defertunnelnetdevput function is delayed until the RCU callback is executed. The ovsnetdevtunnelDestroy function may be executed after NETDEVUNREGISTER has already detached the device. Dropping the reference t...

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

In the Linux kernel, the following vulnerability has been resolved: net: can: j1939: j1939xtprxrtssessionactive – The session is deactivated upon receiving the second RTS packet. Since j1939tprxtimer calls j1939sessiondeactivateactivatenext only when the timer is enabled, we need to call this...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: A reference count leak was fixed in hshewephaslimitsbox. pcigetdevice will increase the reference count of the returned ‘dev’. We need to call pcidevput to decrease the reference count. Since ‘dev’ is only...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cachefiles: A NULL pointer dereference issue in object-file has been fixed. Currently, there is a NULL pointer dereference problem in ondemand-mode. The root cause is that the allocated file descriptor fd and the lifetime of...

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: dmaengine: lpc18xx-dmamux: fix device leak on route allocation Make sure to remove the reference that was used when accessing the DMA mux platform device during route allocation...

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: ipv6: fixed a race condition between ipv6getifaddr and ipv6deladdr Although ipv6getifaddr operates under the RCU lock, it still allows hlistforeachentryrcu to return an item that has already been removed from the list. The memory...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: rxrpc: The issue of delayed ACKs was fixed, so that the reference serial number is no longer set. The construction of delayed ACKs was corrected so that the reference serial number is no longer used as a reference for RTT...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ceph: Fixed inode reference leakage in cephgetsnapdir The cephgetinode function will search for or insert a new inode into the hash for the given vino, and return a reference to it. If new is non-NULL, its reference is consumed. ...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: PID: Taking a reference when initializing cadpid During boot, kernelinitfreeable initializes cadpid to the struct pid of the init task. Later, we may change cadpid via sysctl. When this happens, procdocadpid will increment the...

Astra Linux – Vulnerability in Wayland

An internal reference count is maintained on the buffer pool; this count increments every time a new buffer is created from the pool. The reference count is stored as an integer. On LP64 systems, this can lead to an overflow if the client creates a large number of wlshm buffer objects, or if it...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: - For soc: bcm: brcmstb: pm: pm-arm – A refcount leak in brcmstbpmprobe was fixed. - In the function offindmatchingnode, a node pointer is returned with a refcount incremented. We should use ofnodeput on it when there is no...

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...