Ubuntu 22.04 LTS / 24.04 LTS : Linux kernel vulnerabilities (USN-7931-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7931-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

Ubuntu 22.04 LTS / 24.04 LTS : Linux kernel (Azure) vulnerabilities (USN-7935-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7935-1 advisory. Jean-Claude Graf, Sandro Regge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor...

Ubuntu 24.04 LTS / 25.04 : Linux kernel vulnerabilities (USN-7921-1)

The remote Ubuntu 24.04 LTS / 25.04 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7921-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects...

UBUNTU-CVE-2023-53864

In the Linux kernel, the following vulnerability has been resolved: drm/mxsfb: Disable overlay plane in mxsfbplaneoverlayatomicdisable When disabling overlay plane in mxsfbplaneoverlayatomicupdate, overlay plane's framebuffer pointer is NULL. So, dereferencing it would cause a kernel OopsNULL...

UBUNTU-CVE-2023-53742

In the Linux kernel, the following vulnerability has been resolved: kcsan: Avoid READONCE in readinstrumentedmemory Haibo Li reported: | Unable to handle kernel paging request at virtual address | ffffff802a0d8d7171 | Mem abort info:o: | ESR = 0x9600002121 | EC = 0x25: DABT current EL, IL = 32...

UBUNTU-CVE-2025-40309

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: Fix UAF on scoconnfree BUG: KASAN: slab-use-after-free in scoconnfree net/bluetooth/sco.c:87 inline BUG: KASAN: slab-use-after-free in krefput include/linux/kref.h:65 inline BUG: KASAN: slab-use-after-free in...

UBUNTU-CVE-2025-40282

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: reset link-local header on ipv6 recv path Bluetooth 6lowpan.c netdev has headerops, so it must set link-local header for RX skb, otherwise things crash, eg. with AFPACKET SOCKRAW Add missing skbresetmacheader...

Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-7907-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7907-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

Ubuntu 22.04 LTS / 24.04 LTS : Linux kernel vulnerabilities (USN-7889-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7889-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

UBUNTU-CVE-2025-40176

In the Linux kernel, the following vulnerability has been resolved: tls: wait for pending async decryptions if tlsstrpmsghold fails Async decryption calls tlsstrpmsghold to create a clone of the input skb to hold references to the memory it uses. If we fail to allocate that clone, proceeding with...

UBUNTU-CVE-2025-40141

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Fix possible UAF on isoconnfree This attempt to fix similar issue to scoconnfree where if the conn-sk is not set to NULL may lead to UAF on isoconnfree...

UBUNTU-CVE-2025-40153

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: avoid soft lockup when mprotect to large memory area When calling mprotect to a large hugetlb memory area in our customer's workload 300GB hugetlb memory, soft lockup was observed: watchdog: BUG: soft lockup - CPU98...

UBUNTU-CVE-2025-40124

In the Linux kernel, the following vulnerability has been resolved: sparc: fix accurate exception reporting in copyfromtouser for UltraSPARC III Anthony Yznaga tracked down that a BUGON in ext4 code with large folios enabled resulted from copyfromuser returning impossibly large values greater tha...

Ubuntu 22.04 LTS / 24.04 LTS : Linux kernel (GCP and GKE) vulnerabilities (USN-7864-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7864-1 advisory. Jean-Claude Graf, Sandro Regge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor...

UBUNTU-CVE-2023-53733

In the Linux kernel, the following vulnerability has been resolved: net: sched: clsu32: Undo tcfbindfilter if u32replacehwknode When u32replacehwknode fails, we need to undo the tcfbindfilter operation done at u32setparms...

Ubuntu 22.04 LTS / 24.04 LTS : Linux kernel vulnerabilities (USN-7835-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7835-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

UBUNTU-CVE-2023-53708

In the Linux kernel, the following vulnerability has been resolved: ACPI: x86: s2idle: Catch multiple ACPITYPEPACKAGE objects If a badly constructed firmware includes multiple ACPITYPEPACKAGE objects while evaluating the AMD LPS0 DSM, there will be a memory leak. Explicitly guard against this...

UBUNTU-CVE-2025-40008

In the Linux kernel, the following vulnerability has been resolved: kmsan: fix out-of-bounds access to shadow memory Running sha224kunit on a KMSAN-enabled kernel results in a crash in kmsaninternalsetshadoworigin: BUG: unable to handle page fault for address: ffffbc3840291000 PF: supervisor read...

UBUNTU-CVE-2025-40010

In the Linux kernel, the following vulnerability has been resolved: afs: Fix potential null pointer dereference in afsputserver afsputserver accessed server-debugid before the NULL check, which could lead to a null pointer dereference. Move the debugid assignment, ensuring we never dereference a...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel (Azure) vulnerabilities (USN-7819-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7819-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...