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CVE-2022-42328

Status Candidate

Overview

Guests can trigger deadlock in Linux netback driver T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The patch for XSA-392 introduced another issue which might result in a deadlock when trying to free the SKB of a packet dropped due to the XSA-392 handling (CVE-2022-42328). Additionally when dropping packages for other reasons the same deadlock could occur in case of netpoll being active for the interface the xen-netback driver is connected to (CVE-2022-42329).

Related Files

Ubuntu Security Notice USN-5927-1
Posted Mar 7, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5927-1 - It was discovered that the Upper Level Protocol subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the System V IPC implementation in the Linux kernel did not properly handle large shared memory counts. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, arbitrary, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2021-3669, CVE-2022-3424, CVE-2022-3521, CVE-2022-3545, CVE-2022-3628, CVE-2022-36280, CVE-2022-3640, CVE-2022-41218, CVE-2022-42328, CVE-2022-42895, CVE-2022-47929, CVE-2023-0045, CVE-2023-0266, CVE-2023-0394
SHA-256 | 267cb30398652c6d5e4143e7a564419a514df5b940ea487c998523a7f3bc146b
Ubuntu Security Notice USN-5925-1
Posted Mar 7, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5925-1 - It was discovered that the Upper Level Protocol subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that a race condition existed in the Kernel Connection Multiplexor socket implementation in the Linux kernel when releasing sockets in certain situations. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, arbitrary, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2022-3521, CVE-2022-3545, CVE-2022-3628, CVE-2022-3640, CVE-2022-42328, CVE-2022-42895, CVE-2023-0461
SHA-256 | 0f0f2bc4ad90e2d21d62d6495742008cd217c7c1134c60f81916c696fb70393c
Ubuntu Security Notice USN-5920-1
Posted Mar 6, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5920-1 - It was discovered that the Upper Level Protocol subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service or execute arbitrary code.

tags | advisory, denial of service, overflow, arbitrary, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2022-3521, CVE-2022-3545, CVE-2022-3628, CVE-2022-3640, CVE-2022-42328, CVE-2022-42895, CVE-2022-4378, CVE-2023-0461
SHA-256 | fa694c2c44a7526df6be2583708cb52eba196281f52f0b24f1db9ebc844741ce
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