Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7.6 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

CVE-2024-36013

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix slab-use-after-free in l2capconnect Extend a critical section to prevent chan from early freeing. Also make the l2capconnect return type void. Nothing is using the returned value but it is ugly to return a...

CVE-2024-36013 Bluetooth: L2CAP: Fix slab-use-after-free in l2cap_connect()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix slab-use-after-free in l2capconnect Extend a critical section to prevent chan from early freeing. Also make the l2capconnect return type void. Nothing is using the returned value but it is ugly to return a...

CVE-2024-36013 Bluetooth: L2CAP: Fix slab-use-after-free in l2cap_connect()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix slab-use-after-free in l2capconnect Extend a critical section to prevent chan from early freeing. Also make the l2capconnect return type void. Nothing is using the returned value but it is ugly to return a...

squashfs-tools security update

4.3-21 - CVE-2021-41072 squashfs-tools: additional write outside destination directory exploit fix CVE-2021-40153 squashfs-tools: unvalidated filepaths allow writing outside of destination Resolves: rhbz2007303 rhbz2000637...

CVE-2024-36010

In the Linux kernel, the following vulnerability has been resolved: igb: Fix string truncation warnings in igbsetfwversion Commit 1978d3ead82c "intel: fix string truncation warnings" fixes '-Wformat-truncation=' warnings in igbmain.c by using kasprintf...

CVE-2021-47351

A vulnerability was found in the Linux kernel's UBIFS file system, where concurrent operations to set or get extended attributes xattrs and list xattrs could lead to assertion failures or memory corruption. This problem arises because the system does not properly handle simultaneous read and writ...

kernel: PM: domains: fix memory leak with using debugfs_lookup()

In the Linux kernel, the following vulnerability has been resolved: PM: domains: fix memory leak with using debugfslookup When calling debugfslookup the result must have dput called on it, otherwise the memory will leak over time. To make things simpler, just call debugfslookupandremove instead...

kernel: ACPI: processor: Check for null return of devm_kzalloc() in fch_misc_setup()

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: Check for null return of devmkzalloc in fchmiscsetup devmkzalloc may fail, clkdata-name might be NULL and will cause a NULL pointer dereference later. rjw: Subject and changelog edits...

CVE-2021-47492

In the Linux kernel, the following vulnerability has been resolved: mm, thp: bail out early in collapsefile for writeback page Currently collapsefile does not explicitly check PGwriteback, instead, pagehasprivate and trytoreleasepage are used to filter writeback pages. This does not work for xfs...

CVE-2021-47476 comedi: ni_usb6501: fix NULL-deref in command paths

In the Linux kernel, the following vulnerability has been resolved: comedi: niusb6501: fix NULL-deref in command paths The driver uses endpoint-sized USB transfer buffers but had no sanity checks on the sizes. This can lead to zero-size-pointer dereferences or overflowed transfer buffers in...

CVE-2021-47476 comedi: ni_usb6501: fix NULL-deref in command paths

In the Linux kernel, the following vulnerability has been resolved: comedi: niusb6501: fix NULL-deref in command paths The driver uses endpoint-sized USB transfer buffers but had no sanity checks on the sizes. This can lead to zero-size-pointer dereferences or overflowed transfer buffers in...

CVE-2021-47461

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: fix a race between writeprotect and exitmmap A race is possible when a process exits, its VMAs are removed by exitmmap and at the same time userfaultfdwriteprotect is called. The race was detected by KASAN on a...

CVE-2021-47457

In the Linux kernel, the following vulnerability has been resolved: can: isotp: isotpsendmsg: add result check for waiteventinterruptible Using waiteventinterruptible to wait for complete transmission, but do not check the result of waiteventinterruptible which can be interrupted. It will result ...

CVE-2021-47451

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtIDLETIMER: fix panic that occurs when timertype has garbage value Currently, when the rule related to IDLETIMER is added, idletimertg timer structure is initialized by kmalloc on executing idletimertgcreate function...

CVE-2021-47439

In the Linux kernel, the following vulnerability has been resolved: net: dsa: microchip: Added the condition for scheduling kszmibreadwork When the ksz module is installed and removed using rmmod, kernel crashes with null pointer dereferrence error. During rmmod, kszswitchremove function tries to...

UBUNTU-CVE-2021-47470

In the Linux kernel, the following vulnerability has been resolved: mm, slub: fix potential use-after-free in slabdebugfsfops When sysfsslabadd failed, we shouldn't call debugfsslabadd for s because s will be freed soon. And slabdebugfsfops will use s later leading to a use-after-free...

UBUNTU-CVE-2021-47464

In the Linux kernel, the following vulnerability has been resolved: audit: fix possible null-pointer dereference in auditfilterrules Fix possible null-pointer dereference in auditfilterrules. auditfilterrules error: we previously assumed 'ctx' could be null...

CVE-2021-47460 ocfs2: fix data corruption after conversion from inline format

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix data corruption after conversion from inline format Commit 6dbf7bb55598 "fs: Don't invalidate page buffers in blockwritefullpage" uncovered a latent bug in ocfs2 conversion from inline inode format to a normal inode...

CVE-2021-47447

The CVE-2021-47447 issue concerns the Linux kernel DRM MSM A3XX driver: drm/msm/a3xx_gpu_init() contained error paths that returned 1 on failure instead of a negative error code, and a check for ret != -ENODATA failed because ret was 1, risking an Oops in the caller. Astra Linux advisory confirms...