09 July 2019
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.2498 SUSE-SU-2019:1768-1 Security update for the Linux Kernel (Live Patch 26 for SLE 12 SP3) 9 July 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel Publisher: SUSE Operating System: SUSE Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-11487 Reference: ESB-2019.2256 ESB-2019.2231 ESB-2019.2171 ESB-2019.2155 Original Bulletin: https://www.suse.com/support/update/announcement/2019/suse-su-20191768-1.html - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for the Linux Kernel (Live Patch 26 for SLE 12 SP3) ______________________________________________________________________________ Announcement ID: SUSE-SU-2019:1768-1 Rating: important References: #1133191 Cross-References: CVE-2019-11487 Affected Products: SUSE Linux Enterprise Live Patching 12-SP3 ______________________________________________________________________________ An update that fixes one vulnerability is now available. Description: This update for the Linux Kernel 4.4.180-94_97 fixes one issue. The following security issue was fixed: o CVE-2019-11487: The Linux kernel allowed page->_refcount reference count overflow, with resultant use-after-free issues, if about 140 GiB of RAM exists. This is related to fs/fuse/dev.c, fs/pipe.c, fs/splice.c, include/ linux/mm.h, include/linux/pipe_fs_i.h, kernel/trace/trace.c, mm/gup.c, and mm/hugetlb.c. It can occur with FUSE requests (bsc#1133191). Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: o SUSE Linux Enterprise Live Patching 12-SP3: zypper in -t patch SUSE-SLE-Live-Patching-12-SP3-2019-1768=1 Package List: o SUSE Linux Enterprise Live Patching 12-SP3 (ppc64le x86_64): kgraft-patch-4_4_180-94_97-default-2-2.1 kgraft-patch-4_4_180-94_97-default-debuginfo-2-2.1 References: o https://www.suse.com/security/cve/CVE-2019-11487.html o https://bugzilla.suse.com/1133191 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to email@example.com and we will forward your request to the appropriate person. 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If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: firstname.lastname@example.org Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXSPlC2aOgq3Tt24GAQg8hg/7BGEbkqyV4qsuQOJjzVS3t0As30jeI2Fx /59J+l0pgYg/MTiN5GFzmOZAZX6xHFTvzLbmZUHjMsB3PO7IiiW99cm/uFiMLvYs fTG2ZjqSDJn+bs04dWJo4jb9IgLB0pBNPTxC3KEy26bf70byqY0TQ/vOmQnt8p1e WBNO0e9M49niJObBISw195O5COvlybBqc7EsiT54PX/IbtwUsonPDQ1NVX+Edcm3 KaxWsYkvLKdg84uAFpUtsjFvaXRDnkM4WATgB7KvZheZSCuz2jn5J9kIy9EvyFzf DzJctN7QeN4v9qSHmR6/yd/tuzGuhVUnF5xzHKazAHL2ExAKOaLBtI7gyVoC+dkb hoW1fno8lhn3kVQDcl2GWHQYIYuu0IWMzOVP0eRZCOcdQ0D5g3tQ+O+8FOmRaaPH 4P9joASlFseQ/ISSjQCtFDnSUVgOyFvOBuAxHlko12FcPkVidso39GrtmrvFHDFO lMl8h6VUvfJy3sUt1AmHd/8VU1nm6Iywk3I2Xkr2FyF8ySyRM6gWdbGVWOVmrfP4 hYbRd8YQrkYih271rP0Jk9Y2BqfTFn3n3wduZ9rnW4hOrii4/xFuululkehlcSAR Xv0KFd41malsCtGE2AQDoGnWZ8+IrctP/JFoWrC2ITSPMBB99fa1NX6w9fiDhtFn GClEHFB8U8M= =6825 -----END PGP SIGNATURE-----