UBUNTU-CVE-2023-30549

Apptainer is an open source container platform for Linux. There is an ext4 use-after-free flaw that is exploitable through versions of Apptainer 1.1.0 and installations that include apptainer-suid 1.1.8 on older operating systems where that CVE has not been patched. That includes Red Hat Enterpri...

SUSE CVE-2022-1055

A use-after-free exists in the Linux Kernel in tcnewtfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5...

SUSE CVE-2022-24122

kernel/ucount.c in the Linux kernel 5.14 through 5.16.4, when unprivileged user namespaces are enabled, allows a use-after-free and privilege escalation because a ucounts object can outlive its namespace...

kernel: use-after-free in tc_new_tfilter() in net/sched/cls_api.c

A use-after-free vulnerability was found in the tcnewtfilter function in net/sched/clsapi.c in the Linux kernel. The availability of local, unprivileged user namespaces allows privilege escalation...

kernel: use-after-free in tc_new_tfilter() in net/sched/cls_api.c

A use-after-free vulnerability was found in the tcnewtfilter function in net/sched/clsapi.c in the Linux kernel. The availability of local, unprivileged user namespaces allows privilege escalation...

DEBIAN-CVE-2022-34918

An issue was discovered in the Linux kernel through 5.18.9. A type confusion bug in nftseteleminit leading to a buffer overflow could be used by a local attacker to escalate privileges, a different vulnerability than CVE-2022-32250. The attacker can obtain root access, but must start with an...

AZL-9218 CVE-2022-1055 affecting package kernel for versions less than 5.15.32.1-3

A use-after-free exists in the Linux Kernel in tcnewtfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5...

CVE-2022-1055

A use-after-free exists in the Linux Kernel in tcnewtfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5...

DEBIAN-CVE-2022-1055

A use-after-free exists in the Linux Kernel in tcnewtfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5...

UBUNTU-CVE-2022-1055

A use-after-free exists in the Linux Kernel in tcnewtfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5...

PT-2022-7231

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to 5.18-rc1 Linux Kernel versions 5.4.y Linux Kernel versions 5.10.y Linux Kernel versions 5.15.y Description The issue is related to an out-of-bounds access vulnerability in the nf tables newtable function of the...

kernel/ucount.c in the Linux kernel 5.14 through 5.16.4 when unprivileged user namespaces are enabled allows a use-after-free and privilege escalation because a ucounts object can outlive its namespace.

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PT-2022-2045 · Linux +10 · Linux Kernel +10

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to the version containing commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5 Description: A use-after-free exists in the Linux Kernel in the tc new tfilter function that could allow a local attacker to gain privilege...

AZL-8451 CVE-2022-24122 affecting package kernel for versions less than 5.15.26.1-1

kernel/ucount.c in the Linux kernel 5.14 through 5.16.4, when unprivileged user namespaces are enabled, allows a use-after-free and privilege escalation because a ucounts object can outlive its namespace...

kernel: fs_context: heap overflow in legacy parameter handling

A heap-based buffer overflow flaw was found in the way the legacyparseparam function in the Filesystem Context functionality of the Linux kernel verified the supplied parameters length. An unprivileged in case of unprivileged user namespaces enabled, otherwise needs namespaced CAPSYSADMIN privile...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the linux kernel that stems from a combination of unprivileged user namespaces and patches in the Ubuntu kernel that allow for unprivileged...

AZL-6522 CVE-2020-16120 affecting package kernel for versions less than 5.10.78.1-1

Overlayfs did not properly perform permission checking when copying up files in an overlayfs and could be exploited from within a user namespace, if, for example, unprivileged user namespaces were allowed. It was possible to have a file not readable by an unprivileged user to be copied to a...

DEBIAN-CVE-2019-20794

An issue was discovered in the Linux kernel 4.18 through 5.6.11 when unprivileged user namespaces are allowed. A user can create their own PID namespace, and mount a FUSE filesystem. Upon interaction with this FUSE filesystem, if the userspace component is terminated via a kill of the PID...

UBUNTU-CVE-2019-20794

An issue was discovered in the Linux kernel 4.18 through 5.6.11 when unprivileged user namespaces are allowed. A user can create their own PID namespace, and mount a FUSE filesystem. Upon interaction with this FUSE filesystem, if the userspace component is terminated via a kill of the PID...

kernel: Exploitable memory corruption due to UFO to non-UFO path switch

An exploitable memory corruption flaw was found in the Linux kernel. The append path can be erroneously switched from UFO to non-UFO in ipufoappenddata when building an UFO packet with MSGMORE option. If unprivileged user namespaces are available, this flaw can be exploited to gain root privilege...