1. Forum
  2. Usenet
  3. LINUX.DEBIAN.ANNOUNCE.SEC

  • [SECURITY] [DSA 5191-1] linux security update

    From Moritz Muehlenhoff@21:1/5 to All on Tue Jul 26 22:10:01 2022
    -----BEGIN PGP SIGNED MESSAGE-----
    Hash: SHA512

    - ------------------------------------------------------------------------- Debian Security Advisory DSA-5191-1 security@debian.org https://www.debian.org/security/ Moritz Muehlenhoff
    July 26, 2022 https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package : linux
    CVE ID : CVE-2021-33655 CVE-2022-2318 CVE-2022-26365 CVE-2022-33740
    CVE-2022-33741 CVE-2022-33742 CVE-2022-33743 CVE-2022-33744
    CVE-2022-34918

    Several vulnerabilities have been discovered in the Linux kernel that may
    lead to privilege escalation, denial of service or information leaks:

    CVE-2021-33655

    A user with access to a framebuffer console driver could cause a
    memory out-of-bounds write via the FBIOPUT_VSCREENINFO ioctl.

    CVE-2022-2318

    A use-after-free in the Amateur Radio X.25 PLP (Rose) support may
    result in denial of service.

    CVE-2022-26365 / CVE-2022-33740 / CVE-2022-33741 / CVE-2022-33742

    Roger Pau Monne discovered that Xen block and network PV device
    frontends don't zero out memory regions before sharing them with the
    backend, which may result in information disclosure. Additionally it
    was discovered that the granularity of the grant table doesn't permit
    sharing less than a 4k page, which may also result in information
    disclosure.

    CVE-2022-33743

    Jan Beulich discovered that incorrect memory handling in the Xen
    network backend may lead to denial of service.

    CVE-2022-33744

    Oleksandr Tyshchenko discovered that ARM Xen guests can cause a denial
    of service to the Dom0 via paravirtual devices.

    CVE-2022-34918

    Arthur Mongodin discovered a heap buffer overflow in the Netfilter
    subsystem which may result in local privilege escalation.

    For the stable distribution (bullseye), these problems have been fixed in version 5.10.127-2.

    We recommend that you upgrade your linux packages.

    For the detailed security status of linux please refer to
    its security tracker page at:
    https://security-tracker.debian.org/tracker/linux

    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org
    -----BEGIN PGP SIGNATURE-----

    iQIzBAEBCgAdFiEEtuYvPRKsOElcDakFEMKTtsN8TjYFAmLgSLUACgkQEMKTtsN8 TjYbNA//Yr3vv1aAt9hXCpI/r4QJRZ23CxQL1so2nBV7c5q7rMdbr42+0seQl/33 pc5dikZ79MzSxShQhHYWRYrya3alXSRmgDxe5rICnSLF8+nHRpQccGfPTFDlKLOg 4sNfvonxOUKEgfi5Rqd5FtWnhCtAX+I26lI/PnA4ciQE+VA4l6YeaxJnL42HugYw q4Y8mEprEW7aZSpcK2Nk2ixXPNwJlAssvbIHvNJsaRP4X4w18iHSI/8AYlymkvfa Eyf4vEQfKce7UQB3JoIfdJQFgX3cvz6oMXZ6q9S4i5GlK7GeWSo2NRfE3ulrlFOw tCFfVN6V9tVQtuKqNma5tn4F8FG8YLafDzC0IwLq+JswrTbs5EQ/wzJhNnkXP86J hSPpMeVmT/mBihjv6PRilOraOX8mACJSQKuWkDSc9VvZCeCUo0uc31d4/WfzaOCM rxaMBHuQW7mq/Dd6htlbbGyUjWC9Zt5Wb+GtzXIb6jUOISUagMI4lnMVgOB4Tyhl FiPp4PWz7jGVsrN/l/5JsPxhQd2wPmPC2zS2REunvXOMZxCgwOMB3aW5oJSufHTa c/f9Z86s/HFZxjwJ3mEcebAzVAvGPfg9yuiD6nEEeYSTLhTCC5UTGw4WVZHjNtxB 3yn8Ju2Nqu3NbmyAlye/Y9wAlw3nIL3dkFkRU/NgzncnuXT7oLw=
    =DZil
    -----END PGP SIGNATURE-----

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)