Security
Headlines
HeadlinesLatestCVEs

Headline

CVE-2020-35508: fork: fix copy_process(CLONE_PARENT) race with the exiting ->real_parent · torvalds/linux@b4e0044

A flaw possibility of race condition and incorrect initialization of the process id was found in the Linux kernel child/parent process identification handling while filtering signal handlers. A local attacker is able to abuse this flaw to bypass checks to send any signal to a privileged process.

CVE
#linux

@@ -2167,14 +2167,9 @@ static __latent_entropy struct task_struct *copy_process( /* ok, now we should be set up… */ p->pid = pid_nr(pid); if (clone_flags & CLONE_THREAD) { p->exit_signal = -1; p->group_leader = current->group_leader; p->tgid = current->tgid; } else { if (clone_flags & CLONE_PARENT) p->exit_signal = current->group_leader->exit_signal; else p->exit_signal = args->exit_signal; p->group_leader = p; p->tgid = p->pid; } @@ -2218,9 +2213,14 @@ static __latent_entropy struct task_struct *copy_process( if (clone_flags & (CLONE_PARENT|CLONE_THREAD)) { p->real_parent = current->real_parent; p->parent_exec_id = current->parent_exec_id; if (clone_flags & CLONE_THREAD) p->exit_signal = -1; else p->exit_signal = current->group_leader->exit_signal; } else { p->real_parent = current; p->parent_exec_id = current->self_exec_id; p->exit_signal = args->exit_signal; }
klp_copy_process§;

Related news

CVE-2022-29286: Pexip security bulletins | Pexip Infinity Docs

Pexip Infinity 27 before 28.0 allows remote attackers to trigger excessive resource consumption and termination because of registrar resource mishandling.

CVE-2022-26655: Pexip security bulletins | Pexip Infinity Docs

Pexip Infinity 27.x before 27.3 has Improper Input Validation. The client API allows remote attackers to trigger a software abort via a gateway call into Teams.

CVE-2022-27931: Pexip security bulletins | Pexip Infinity Docs

Pexip Infinity before 27.3 allows remote attackers to trigger a software abort via the Session Initiation Protocol.

CVE-2022-27928: Pexip security bulletins | Pexip Infinity Docs

Pexip Infinity 27.x before 27.3 allows remote attackers to trigger a software abort via the Session Initiation Protocol.

CVE-2022-27932: Pexip security bulletins | Pexip Infinity Docs

Pexip Infinity before 27.3 allows remote attackers to trigger a software abort via One Touch Join.

CVE-2022-25357: Pexip security bulletins | Pexip Infinity Docs

Pexip Infinity 27.x before 27.2 has Improper Access Control. An attacker can sometimes join a conference (call join) if it has a lock but not a PIN.

CVE-2022-26656: Pexip security bulletins | Pexip Infinity Docs

Pexip Infinity before 27.3 allows remote attackers to trigger a software abort, and possibly enumerate usernames, via One Touch Join.

CVE-2022-27936: Pexip security bulletins | Pexip Infinity Docs

Pexip Infinity before 27.3 allows remote attackers to trigger a software abort via H.323.

CVE-2022-27929: Pexip security bulletins | Pexip Infinity Docs

Pexip Infinity 27.x before 27.3 allows remote attackers to trigger a software abort via HTTP.

CVE-2022-26657: Pexip security bulletins | Pexip Infinity Docs

Pexip Infinity before 27.3 allows remote attackers to trigger a software abort via One Touch Join.

RHSA-2021:1739: Red Hat Security Advisory: kernel-rt security and bug fix update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2019-19523: A flaw was found in the Linux kernel’s implementation for ADU devices from Ontrak Control Systems, where an attacker with administrative privileges and access to a local account could pre-groom the memory and physically disconnect or unload a module. The attacker must be able to access either of these two events to trigger the use-after-free, ...

RHSA-2021:1578: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2019-18811: kernel: memory leak in sof_set_get_large_ctrl_data() function in sound/soc/sof/ipc.c * CVE-2019-19523: kernel: use-after-free caused by a malicious USB device in the drivers/usb/misc/adutux.c driver * CVE-2019-19528: kernel: use-after-free bug caused by a malicious USB device in the drivers/usb/misc/iowarrior.c driver * CVE-2020-0431: kernel: pos...

CVE: Latest News

CVE-2023-50976: Transactions API Authorization by oleiman · Pull Request #14969 · redpanda-data/redpanda
CVE-2023-6905
CVE-2023-6903
CVE-2023-6904
CVE-2023-3907