UBUNTU-CVE-2025-71078

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s/slb: Fix SLB multihit issue during SLB preload On systems using the hash MMU, there is a software SLB preload cache that mirrors the entries loaded into the hardware SLB buffer. This preload cache is subject to period...

UBUNTU-CVE-2023-54178

In the Linux kernel, the following vulnerability has been resolved: of: unittest: fix null pointer dereferencing in ofunittestfindnodebyname when kmalloc fail to allocate memory in kasprintf, name or fullname will be NULL, strcmp will cause null pointer dereference...

UBUNTU-CVE-2022-50883

In the Linux kernel, the following vulnerability has been resolved: bpf: Prevent decltag from being referenced in funcproto arg Syzkaller managed to hit another decltag issue: btffuncprotocheck kernel/bpf/btf.c:4506 inline btfcheckalltypes kernel/bpf/btf.c:4734 inline btfparsetypesec+0x1175/0x198...

UBUNTU-CVE-2023-54190

In the Linux kernel, the following vulnerability has been resolved: leds: led-core: Fix refcount leak in ofledget classfinddevicebyofnode calls classfinddevice, it will take the reference, use the putdevice to drop the reference when not need anymore...

UBUNTU-CVE-2022-50862

In the Linux kernel, the following vulnerability has been resolved: bpf: prevent decltag from being referenced in funcproto Syzkaller was able to hit the following issue: ------------ cut here ------------ WARNING: CPU: 0 PID: 3609 at kernel/bpf/btf.c:1946 btftypeidsize+0x2d5/0x9d0...

UBUNTU-CVE-2022-50835

In the Linux kernel, the following vulnerability has been resolved: jbd2: add miss release buffer head in fcdoonepass In fcdoonepass miss release buffer head after use which will lead to reference count leak...

UBUNTU-CVE-2022-50826

In the Linux kernel, the following vulnerability has been resolved: ipu3-imgu: Fix NULL pointer dereference in imgusubdevsetselection Calling v4l2subdevgettrycrop and v4l2subdevgettrycompose with a subdev state of NULL leads to a NULL pointer dereference. This can currently happen in...

UBUNTU-CVE-2022-50749

In the Linux kernel, the following vulnerability has been resolved: acct: fix potential integer overflow in encodecompt The integer overflow is descripted with following codes: 317 static compt encodecomptu64 value 318 319 int exp, rnd; ...... 341 exp 342 exp += value; 343 return exp; 344 Current...

UBUNTU-CVE-2023-54114

In the Linux kernel, the following vulnerability has been resolved: net: nsh: Use correct macoffset to unwind gso skb in nshgsosegment As the call trace shows, skbpanic was caused by wrong skb-macheader in nshgsosegment: invalid opcode: 0000 1 PREEMPT SMP KASAN PTI CPU: 3 PID: 2737 Comm: syz Not...

UBUNTU-CVE-2022-50723

In the Linux kernel, the following vulnerability has been resolved: bnxten: fix memory leak in bnxtnvmtest Free the kzalloc'ed buffer before returning in the success path...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel (Azure) vulnerabilities (USN-7939-1)

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-7939-1 advisory. Jean-Claude Graf, Sandro Regge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor...

UBUNTU-CVE-2025-68317

In the Linux kernel, the following vulnerability has been resolved: iouring/zctx: check chained notif contexts Send zc only links ubufinfo for requests coming from the same context. There are some ambiguous syz reports, so let's check the assumption on notification completion...

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 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 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...