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

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: HIDP: Fixed a possible UAF issue. This fix addresses the following issue caused by not dropping the l2capconn reference when the user-remove callback is called: 97.809249 l2capconnfree: Freeing the conn...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: ffs: Fix use-after-free for epfile Consider a case where ffsfuncepsdisable is called from ffsfuncdisable as part of the composition switch. At the same time, ffsepfilerelease is called from the user space. ffsepfilerelease...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Media: Davinci: VPif – Fix for use-after-free on driver unbind. The driver allocates and registers two platform device structures during the probe phase, but these devices are never deregistered during driver unbind. This results...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: fixed a use-after-free in ip6finishoutput2 The ip6finishOutput2 function caches a pointer to the IPv6 destination address daddr before invoking lwtunnelxmit. The LWT-BPF transmit path or other encapsulation operations withi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fixed the issue where free was used after the QP was destroyed. When querying a QP via the netlink flow, the only synchronization mechanism for that QP is rdmarestrackget. However, during the destruction of the QP via...

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: HID: lg-g15: Cancel pending work on remove to fix a use-after-free issue. The lgg15data structure is allocated with devm and contains a work item. The report handlers schedule this work directly from the device input. lgg15event...

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: afcan – Do not leave a dangling sk pointer in cancreate. When the cancreate function fails, it releases the allocated sk object. However, sockinitdata has already attached this object to the provided sock object. This will...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fixed a use-after-free in siwaccept siwaccept looks up the QP provided by the user space. If that QP is already in RTS, the function jumps to error cleanup before associating the incoming CEP with it. The cleanup checks...

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: ipv4: net-ipv4.sysctllocalreservedports is freed too soon after unregisternetsysctltable. The function ipv4sysctlexitnet currently frees net-ipv4.sysctllocalreservedports too quickly. Only after unregisternetsysctltable can we be...

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: USB: iowarrior: fix use-after-free on disconnect The submitted write URBs are not stopped when the function close is called. Therefore, they need to be stopped unconditionally when the function disconnect is called, to avoid...

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

In the Linux kernel, the following vulnerabilities have been resolved: - In the instantiate path, the requestkeyauth payload was properly handled. A: requestkey B: KEYCTLINSTANTIATEIOV ============================ Create an authentication key: - Store the rka in the authentication key. - Wait for...

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: char: tlclk: fixed a use-after-free in tlclkcleanup. This patch improves the module cleanup process in the tlclk driver to prevent potential use-after-free and race conditions. Currently, the fileoperations structure does not...

Astra Linux – Vulnerability in libxml2

The xmlXIncludeAddNode function in xinclude.c within libxml2, prior to version 2.11.0, has a use-after-free issue...

Astra Linux – Vulnerability in imagemagick

ImageMagick is free and open-source software used for editing and manipulating digital images. Before versions 7.1.2-15 and 6.9.13-40, the MSL interpreter would crash when processing an invalid element, causing it to use an image after it had been freed. Versions 7.1.2-15 and 6.9.13-40 include a...

Astra Linux – Vulnerability in imagemagick

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a malicious MSL script could trigger a heap-use-after-free vulnerability. The operation element handler replaced and freed the image while the parser continued...

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: ipv6: mcast: Fixed a potential UAF in MLD delayed work There is a race condition between device destruction and the processing of incoming MLD queries, leading to a Use-After-Free situation in the MLD delayed work. During device...

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

In the Linux kernel, the following vulnerability has been resolved: crypto: seqiv – Properly handles the EBUSY error. Since seqiv only handles the special return value of EINPROGERSS, it means that in all other cases, it will free the data related to the request. However, since the caller of seqi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In the mm/pagealloc function, the clearpage-private operation is performed in freepagesprepare. Several subsystems slub, shmem, ttm, etc. use page-private, but they do not clear it before freeing pages. When these pages are later...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: brd: Automatic disk creation is deferred until module initialization succeeds. My colleague Wupeng identified the following issues during fault injection: BUG: Unable to handle page faults for address: fffffbfff809d073 PGD:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Synchronize heartbeat callbacks with o2net teardown This patch belongs to the series “ocfs2: Hardening heartbeat teardown races”. This series addresses two OCFS2 heartbeat/o2net teardown races detected by KASAN. This patch...