69 matches found
Exploit for CVE-2026-68398
CVE-2026-68398: Ubuntu PPPoL2TP use-after-free to local root...
CVE-2026-68398
In the Linux kernel, the following vulnerability has been resolved: ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF pppol2tprecv runs in the L2TP UDP-encap softirq RX path: l2tpudpencaprecv - l2tprecvcommon - pppol2tprecv - pppinput&po-chan It runs under rcureadlock holding...
UBUNTU-CVE-2026-68398
In the Linux kernel, the following vulnerability has been resolved: ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF pppol2tprecv runs in the L2TP UDP-encap softirq RX path: l2tpudpencaprecv - l2tprecvcommon - pppol2tprecv - pppinput&po-chan It runs under rcureadlock holding...
CVE-2026-68398 ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF
In the Linux kernel, the following vulnerability has been resolved: ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF pppol2tprecv runs in the L2TP UDP-encap softirq RX path: l2tpudpencaprecv - l2tprecvcommon - pppol2tprecv - pppinput&po-chan It runs under rcureadlock holding...
CVE-2026-68398 ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF
In the Linux kernel, the following vulnerability has been resolved: ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF pppol2tprecv runs in the L2TP UDP-encap softirq RX path: l2tpudpencaprecv - l2tprecvcommon - pppol2tprecv - pppinput&po-chan It runs under rcureadlock holding...
Linux Distros Unpatched Vulnerability : CVE-2026-53262
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - l2tp: pppol2tp: hold reference to session in pppol2tpioctl pppol2tpioctl read sock-sk-skuserdata directly without any locks or reference counting. If a...
CVE-2026-53262
A flaw was found in the Linux kernel's pppol2tp module. This Use-After-Free UAF vulnerability arises from improper handling of session references within the pppol2tpioctl function. A local attacker could exploit this by triggering a race condition during data copying, leading to the dereferencing...
CVE-2026-53262
In the Linux kernel, the following vulnerability has been resolved: l2tp: pppol2tp: hold reference to session in pppol2tpioctl pppol2tpioctl read sock-sk-skuserdata directly without any locks or reference counting. If a controllable sleep was induced during copyfromuser e.g. via a userfaultfd pag...
CVE-2026-53262
In the Linux kernel, the following vulnerability has been resolved: l2tp: pppol2tp: hold reference to session in pppol2tpioctl pppol2tpioctl read sock-sk-skuserdata directly without any locks or reference counting. If a controllable sleep was induced during copyfromuser e.g. via a userfaultfd pag...
UBUNTU-CVE-2026-53262
In the Linux kernel, the following vulnerability has been resolved: l2tp: pppol2tp: hold reference to session in pppol2tpioctl pppol2tpioctl read sock-sk-skuserdata directly without any locks or reference counting. If a controllable sleep was induced during copyfromuser e.g. via a userfaultfd pag...
CVE-2026-53262
In the Linux kernel, the following vulnerability has been resolved: l2tp: pppol2tp: hold reference to session in pppol2tpioctl pppol2tpioctl read sock-sk-skuserdata directly without any locks or reference counting. If a controllable sleep was induced during copyfromuser e.g. via a userfaultfd pag...
CVE-2026-53262 l2tp: pppol2tp: hold reference to session in pppol2tp_ioctl()
In the Linux kernel, the following vulnerability has been resolved: l2tp: pppol2tp: hold reference to session in pppol2tpioctl pppol2tpioctl read sock-sk-skuserdata directly without any locks or reference counting. If a controllable sleep was induced during copyfromuser e.g. via a userfaultfd pag...
CVE-2026-53262
In the Linux kernel, the following vulnerability has been resolved: l2tp: pppol2tp: hold reference to session in pppol2tpioctl pppol2tpioctl read sock-sk-skuserdata directly without any locks or reference counting. If a controllable sleep was induced during copyfromuser e.g. via a userfaultfd pag...
PT-2026-52357
Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF issue exists in the pppol2tp ioctl function. The function reads sock-sk-sk user data without locks or reference counting. If a sleep is induced during copy from user...
Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013666)
"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013666 advisory. In the Linux kernel, the following vulnerability has been resolved: l2tp: Avoid possible recursive deadlock in l2tptunnelregister When a file descriptor of pppol2tp...
Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011071)
"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011071 advisory. In the Linux kernel, the following vulnerability has been resolved: l2tp: Avoid possible recursive deadlock in l2tptunnelregister When a file descriptor of pppol2tp...
Linux Distros Unpatched Vulnerability : CVE-2023-53809
"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - l2tp: Avoid possible recursive deadlock in l2tptunnelregister When a file descriptor of pppol2tp socket is passed as file descriptor of UDP socket, a recursive...
CVE-2023-53809
In the Linux kernel, the following vulnerability has been resolved: l2tp: Avoid possible recursive deadlock in l2tptunnelregister When a file descriptor of pppol2tp socket is passed as file descriptor of UDP socket, a recursive deadlock occurs in l2tptunnelregister. This situation is reproduced b...
DEBIAN-CVE-2023-53809
In the Linux kernel, the following vulnerability has been resolved: l2tp: Avoid possible recursive deadlock in l2tptunnelregister When a file descriptor of pppol2tp socket is passed as file descriptor of UDP socket, a recursive deadlock occurs in l2tptunnelregister. This situation is reproduced b...
UBUNTU-CVE-2023-53809
In the Linux kernel, the following vulnerability has been resolved: l2tp: Avoid possible recursive deadlock in l2tptunnelregister When a file descriptor of pppol2tp socket is passed as file descriptor of UDP socket, a recursive deadlock occurs in l2tptunnelregister. This situation is reproduced b...