Ubuntu 22.04 LTS : Linux kernel (HWE) vulnerabilities (USN-7801-1)

"The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7801-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws i...

UBUNTU-CVE-2022-50445

In the Linux kernel, the following vulnerability has been resolved: xfrm: Reinject transport-mode packets through workqueue The following warning is displayed when the tcp6-multi-diffip11 stress test case of the LTP test suite is tested: watchdog: BUG: soft lockup - CPU0 stuck for 22s!...

UBUNTU-CVE-2022-50280

In the Linux kernel, the following vulnerability has been resolved: pnode: terminate at peers of source The propagatemnt function handles mount propagation when creating mounts and propagates the source mount tree @sourcemnt to all applicable nodes of the destination propagation mount tree headed...

UBUNTU-CVE-2023-53170

In the Linux kernel, the following vulnerability has been resolved: net: dsa: Removed unneeded ofnodeput in felixparseportsnode Remove unnecessary ofnodeput from the continue path to prevent child node from being released twice, which could avoid resource leak or other unexpected issues...

UBUNTU-CVE-2025-38624

In the Linux kernel, the following vulnerability has been resolved: PCI: pnvphp: Clean up allocated IRQs on unplug When the root of a nested PCIe bridge configuration is unplugged, the pnvphp driver leaked the allocated IRQ resources for the child bridges' hotplug event notifications, resulting i...

UBUNTU-CVE-2025-38578

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid UAF in f2fssyncinodemeta syzbot reported an UAF issue as below: 1 2 1 https://syzkaller.appspot.com/text?tag=CrashReport&x=16594c60580000 ================================================================== BUG:...

UBUNTU-CVE-2025-8959

HashiCorp's go-getter library subdirectory download feature is vulnerable to symlink attacks leading to unauthorized read access beyond the designated directory boundaries. This vulnerability, identified as CVE-2025-8959, is fixed in go-getter 1.7.9...

UBUNTU-CVE-2025-8941

A flaw was found in linux-pam. The pamnamespace module may improperly handle user-controlled paths, allowing local users to exploit symlink attacks and race conditions to elevate their privileges to root. This CVE provides a "complete" fix for CVE-2025-6020...

Linux Distros Unpatched Vulnerability : CVE-2019-15793

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, several locations which shift ids translate user/group id...

UBUNTU-CVE-2025-38088

In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv/memtrace: Fix out of bounds issue in memtrace mmap memtrace mmap issue has an out of bounds issue. This patch fixes the by checking that the requested mapping region size should stay within the allocated region si...

UBUNTU-CVE-2022-50163

In the Linux kernel, the following vulnerability has been resolved: ax25: fix incorrect devtracker usage While investigating a separate rose issue 1, and enabling CONFIGNETDEVREFCNTTRACKER=y, Bernard reported an orthogonal ax25 issue 2 An ax25dev can be used by one or many struct ax25cb. We thus...

UBUNTU-CVE-2022-49943

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: Fix obscure lockdep violation for udcmutex A recent commit expanding the scope of the udclock mutex in the gadget core managed to cause an obscure and slightly bizarre lockdep violation. In abbreviated form:...

UBUNTU-CVE-2022-50227

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/xen: Initialize Xen timer only once Add a check for existing xen timers before initializing a new one. Currently kvmxeninittimer is called on every KVMXENVCPUATTRTYPETIMER, which is causing the following ODEBUG crash whe...

UBUNTU-CVE-2025-37995

In the Linux kernel, the following vulnerability has been resolved: module: ensure that kobjectput is safe for module type kobjects In 'lookuporcreatemodulekobject', an internal kobject is created using 'modulektype'. So call to 'kobjectput' on error handling path causes an attempt to use an...

UBUNTU-CVE-2025-37827

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: return EIO on RAID1 block group write pointer mismatch There was a bug report about a NULL pointer dereference in btrfsaddfreespacezoned that ultimately happens because a conversion from the default metadata profile...

UBUNTU-CVE-2023-52995

In the Linux kernel, the following vulnerability has been resolved: riscv/kprobe: Fix instruction simulation of JALR Set kprobe at 'jalr 1140ra' of vfswrite results in the following crash: 32.092235 Unable to handle kernel access to user memory without uaccess routines at virtual address...

UBUNTU-CVE-2022-49574

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctltcprecovery. While reading sysctltcprecovery, it can be changed concurrently. Thus, we need to add READONCE to its readers...

UBUNTU-CVE-2022-49062

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Fix KASAN slab-out-of-bounds in cachefilessetvolumexattr Use the actual length of volume coherency data when setting the xattr to avoid the following KASAN report. BUG: KASAN: slab-out-of-bounds in...

UBUNTU-CVE-2023-52923

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: adapt set backend to use GC transaction API Use the GC transaction API to replace the old and buggy gc API and the busy mark approach. No set elements are removed from async garbage collection anymore, instea...

UBUNTU-CVE-2024-56607

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix atomic calls in ath12kmacopsetbitratemask When I try to manually set bitrates: iw wlan0 set bitrates legacy-2.4 1 I get sleeping from invalid context error, see below. Fix that by switching to use recently...