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bdu:2025-06274

BELL-CVE-2023-52941

Affected: Alpaquita:stream: linux-lts

certfr-2025-avi-0307 — De multiples vulnérabilités ont été découvertes dans le noyau Linux de SUSE. Certaines d'entre elles permettent à un at…

certfr-2025-avi-0307

EUVD-2026-320441

fkie_cve-2023-52941

In the Linux kernel, the following vulnerability has been resolved:

can: isotp: split tx timer into transmission and timeout

The timer for the transmission of isotp PDUs formerly had two functions: 1. send two consecutive frames with a given time gap 2. monitor the timeouts for flow control frames and the echo frames

This led to larger txstate checks and potentially to a problem discovered by syzbot which enabled the panic_on_warn feature while testing.

The former 'txtimer' function is split into 'txfrtimer' and 'txtimer' to handle the two above functionalities with separate timer callbacks.

The two simplified timers now run in one-shot mode and make the state transitions (especially with isotp_rcv_echo) better understandable.

GHSA-mh69-q9mq-74wg

In the Linux kernel, the following vulnerability has been resolved:

can: isotp: split tx timer into transmission and timeout

The timer for the transmission of isotp PDUs formerly had two functions: 1. send two consecutive frames with a given time gap 2. monitor the timeouts for flow control frames and the echo frames

This led to larger txstate checks and potentially to a problem discovered by syzbot which enabled the panic_on_warn feature while testing.

The former 'txtimer' function is split into 'txfrtimer' and 'txtimer' to handle the two above functionalities with separate timer callbacks.

The two simplified timers now run in one-shot mode and make the state transitions (especially with isotp_rcv_echo) better understandable.

RHSA-2025:20518 — Red Hat Security Advisory: kernel security update

kernel: can: isotp: fix potential CAN frame reception race in isotp_rcv() kernel: can: m_can: pci: add missing m_can_class_free_dev() in probe/remove methods kernel: can: isotp: sanitize CAN ID checks in isotp_bind() kernel: powerpc/papr_scm: don't requests stats with '0' sized stats buffer kernel: efi: Do not import certificates from UEFI Secure Boot for T2 Macs kernel: powerpc/xics: fix refcount leak in icp_opal_init() kernel: powerpc/xive: Fix refcount leak in xive_spapr_init kernel: list: fix a data-race around ep->rdllist kernel: powerpc/xive/spapr: correct bitmap allocation size kernel: ima: Fix potential memory leak in ima_init_crypto() kernel: ima: Fix a potential integer overflow in ima_appraise_measurement kernel: tracing/histograms: Fix memory leak problem kernel: usbnet: fix memory leak in error case kernel: linux/dim: Fix divide by 0 in RDMA DIM kernel: net: tun: unlink NAPI from device on destruction kernel: can: j1939: j1939_send_one(): fix missing CAN header initialization kernel: intel_th: Fix a resource leak in an error handling path kernel: powerpc/rtas: avoid scheduling in rtas_os_term() kernel: can: isotp: split tx timer into transmission and timeout kernel: Linux kernel: Denial of Service in xsk_diag due to use-after-free during socket cleanup kernel: smc: Fix use-after-free in tcp_write_timer_handler() kernel: inotify: Avoid reporting event with invalid wd kernel: Linux kernel (CAN J1939): Denial of Service via deadlock kernel: net/smc: fix potential p…

SUSE-SU-2025:1176-1 — Security update for the Linux Kernel

Security update for the Linux Kernel

UBUNTU-CVE-2023-52941

Affected: Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3, Ubuntu:18.04:LTS: linux-azure, Ubuntu:18.04:LTS: linux-azure-5.3, Ubuntu:18.04:LTS: linux-azure-edge, Ubuntu:18.04:LTS: linux-gcp, Ubuntu:18.04:LTS: linux-gcp-5.3, Ubuntu:18.04:LTS: linux-gke-4.15, Ubuntu:18.04:LTS: linux-gke-5.4 and 70 more

In the Linux kernel, the following vulnerability has been resolved: can: isotp: split tx timer into transmission and timeout The timer for the transmission of isotp PDUs formerly had two functions: 1. send two consecutive frames with a given time gap 2. monitor the timeouts for flow control frames and the echo frames This led to larger txstate checks and potentially to a problem discovered by syzbot which enabled the panic_on_warn feature while testing. The former 'txtimer' function is split into 'txfrtimer' and 'txtimer' to handle the two above functionalities with separate timer callbacks. The two simplified timers now run in one-shot mode and make the state transitions (especially with isotp_rcv_echo) better understandable.

WID-SEC-W-2025-0649 — Linux Kernel: Mehrere Schwachstellen

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen oder nicht spezifizierte Effekte zu erzielen.