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»ó¼¼¼³¸í ¿ø°Ý ½Ã½ºÅÛ¿¡´Â kernel security updateÀÎ RHSA-2019:2473ÀÌ ÆÐÄ¡µÇ¾î ÀÖÁö ¾Ê´Ù. ÆÐÄ¡ Àü kernel¿¡´Â ´ÙÀ½°ú °°Àº Ãë¾àÁ¡ÀÌ Á¸ÀçÇÑ´Ù.

- ÆäÀÌÁö ij½Ã »çÀ̵å ä³Î °ø°Ý Ãë¾àÁ¡ÀÌ Á¸ÀçÇÑ´Ù. (CVE-2019-5489)

- Salsa20 ¾ÏÈ£ ¾Ë°í¸®ÁòÀÌ ±æÀÌ°¡ 0ÀÎ ÀÔ·ÂÀ» ¿Ã¹Ù¸£°Ô ó¸®ÇÏÁö ¸øÇØ ¼­ºñ½º °ÅºÎ°¡ ¹ß»ýÇÒ ¼ö ÀÖ´Ù. (CVE-2017-17805)

- ±ÇÇÑÀÌ ¾ø´Â »ç¿ëÀÚ°¡ Ä¿³Î ½ºÅÃÀÇ ³»ºÎ¸¦ È®ÀÎÇÒ ¼ö ÀÖ´Â Ãë¾àÁ¡ÀÌ Á¸ÀçÇÑ´Ù. (CVE-2018-17972)

- SWAPGS °¡Á¬ÀÇ Ãë¾àÁ¡À¸·Î ÀÎÇØ °ø°ÝÀÚ´Â Ä¿³Î ¸Þ¸ð¸® ÁÖ¼ÒÀÇ ³»¿ë¿¡ ¾×¼¼½ºÇÒ ¼ö ÀÖ´Ù. (CVE-2019-1125)

* ¾Ë¸²: ÀÌ Á¡°ËÇ׸ñÀº ÀÌ Ãë¾àÁ¡À» Á¡°ËÇϱâ À§ÇØ ÇØ´ç ¿ø°ÝÁö ¼­¹öÀÇ kernel RPM ¹öÀü Á¤º¸¸¸À» È®ÀÎÇÑ´Ù. µû¶ó¼­ °ÅÁþ ¾ç¼º¹ÝÀÀ(False Positive)À» º¸ÀÏ ¼ö ÀÖ´Ù.

* Âü°í »çÀÌÆ®:
https://access.redhat.com/articles/4329821
https://access.redhat.com/errata/RHSA-2019:2473
https://access.redhat.com/security/cve/cve-2017-17805
https://access.redhat.com/security/cve/cve-2018-17972
https://access.redhat.com/security/cve/cve-2019-1125
https://access.redhat.com/security/cve/cve-2019-5489

* ¿µÇâÀ» ¹Þ´Â Ç÷§Æû:
Red Hat Enterprise Linux Server (v. 6)
ÇØ°áÃ¥ ´ÙÀ½ ÀýÂ÷¿¡ µû¶ó ¿µÇâ¹Þ´Â ÆÐÅ°Áö¸¦ ¾÷µ¥ÀÌÆ® ÇÑ´Ù.
Applications -> System Tools -> Software Update

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# yum update
°ü·Ã URL CVE-2017-17805,CVE-2018-17972,CVE-2019-1125,CVE-2019-5489 (CVE)
°ü·Ã URL (SecurityFocus)
°ü·Ã URL (ISS)