Issued:
2021-04-20
Updated:
2021-04-20

RHSA-2021:1288 - Security Advisory

Synopsis

Important: kernel security and bug fix update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for kernel is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

  • kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free (CVE-2020-29661)
  • kernel: out-of-bounds read in libiscsi module (CVE-2021-27364)
  • kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)
  • kernel: increase slab leak leads to DoS (CVE-2021-20265)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

  • Enable CI and changelog for GitLab workflow (BZ#1930523)

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Affected Products

  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x

Fixes

  • BZ - 1906525 - CVE-2020-29661 kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free
  • BZ - 1908827 - CVE-2021-20265 kernel: increase slab leak leads to DoS
  • BZ - 1930078 - CVE-2021-27365 kernel: heap buffer overflow in the iSCSI subsystem
  • BZ - 1930080 - CVE-2021-27364 kernel: out-of-bounds read in libiscsi module

Red Hat Enterprise Linux Server - Extended Life Cycle Support 6

SRPM
kernel-2.6.32-754.39.1.el6.src.rpm SHA-256: d7ae7547d8112931d4c5da51ece5858ea52e3c9c97376be5c7d56f2fbe0701f0
x86_64
kernel-2.6.32-754.39.1.el6.x86_64.rpm SHA-256: d2c0baca0ccd3cfc4726b0eadf2734658eeb129fff4706cffd11c97ed296fa17
kernel-abi-whitelists-2.6.32-754.39.1.el6.noarch.rpm SHA-256: 09628d31130d67e09cf00f60c432d578dbf88783b39204d9aecb4007ad7fd46b
kernel-debug-2.6.32-754.39.1.el6.x86_64.rpm SHA-256: cd8bd0fab7f9f1f2c18f2b5e1145bc7c18b34c1e12d3913efd91c3f65178eeb2
kernel-debug-debuginfo-2.6.32-754.39.1.el6.i686.rpm SHA-256: 1b32fdd3b7db7af6bbf1f4083abf9c5909831f3a3cc0c67300fa187ddf485fff
kernel-debug-debuginfo-2.6.32-754.39.1.el6.x86_64.rpm SHA-256: fe875acac4e6cef3ee789978673143881470eb249c74d54a7c6fafc3f6a9824f
kernel-debug-debuginfo-2.6.32-754.39.1.el6.x86_64.rpm SHA-256: fe875acac4e6cef3ee789978673143881470eb249c74d54a7c6fafc3f6a9824f
kernel-debug-devel-2.6.32-754.39.1.el6.i686.rpm SHA-256: b10938100bdafb57ae2a119bffa1e99eb705f630efd73547413e8b7491c40cb8
kernel-debug-devel-2.6.32-754.39.1.el6.x86_64.rpm SHA-256: 083dec936912f38008a7c48e1b8e9f4272ce48ccb3c5fb2bf671ceaff12028d2
kernel-debuginfo-2.6.32-754.39.1.el6.i686.rpm SHA-256: 79479743de81ee0e771bbc472a982bb4177a019ed4c21b35dcad507a0bf6ea90
kernel-debuginfo-2.6.32-754.39.1.el6.x86_64.rpm SHA-256: 63059bea11f788cc3a0f9dd415e2f4908a6731bb75c917a467c102a4d67c805e
kernel-debuginfo-2.6.32-754.39.1.el6.x86_64.rpm SHA-256: 63059bea11f788cc3a0f9dd415e2f4908a6731bb75c917a467c102a4d67c805e
kernel-debuginfo-common-i686-2.6.32-754.39.1.el6.i686.rpm SHA-256: 283799ea65d20dd075af96eb1ea440ff41055c958a982cfa5c0cd5ba23751a3a
kernel-debuginfo-common-x86_64-2.6.32-754.39.1.el6.x86_64.rpm SHA-256: 54962d39925a008f406f998d9f26af5570593c4b20d21e442ef112e0dbe717d4
kernel-debuginfo-common-x86_64-2.6.32-754.39.1.el6.x86_64.rpm SHA-256: 54962d39925a008f406f998d9f26af5570593c4b20d21e442ef112e0dbe717d4
kernel-devel-2.6.32-754.39.1.el6.x86_64.rpm SHA-256: 88f89c6f4b6bdfaf7aa06f36962bfe46476896e2152901ca203ada27c84db761
kernel-doc-2.6.32-754.39.1.el6.noarch.rpm SHA-256: 9f03520bffd188d048db0a7f64285035dbefa1b7e4e1e21ce2f79d0ec7dbde2d
kernel-firmware-2.6.32-754.39.1.el6.noarch.rpm SHA-256: 5dd1b76733d615d2bc6619e641803d4beccbd806976bebc72622b81088aaf7a2
kernel-headers-2.6.32-754.39.1.el6.x86_64.rpm SHA-256: 32c6be750e8b23f2de24292057441510d0ed02a00a0ead79a27f2cca62229edf
perf-2.6.32-754.39.1.el6.x86_64.rpm SHA-256: 9ca9b41947ee765cdda049dafb1246e6726a79cdb098a0db58108dde87ad70ba
perf-debuginfo-2.6.32-754.39.1.el6.i686.rpm SHA-256: a5d3a935e61152671fd7beff95b863e512803233db193f97c1cd9f7949c30381
perf-debuginfo-2.6.32-754.39.1.el6.x86_64.rpm SHA-256: 2e45682b2529de5db1b1a2713c174577faa4c19dcc81352a15bde0fd426cc44e
perf-debuginfo-2.6.32-754.39.1.el6.x86_64.rpm SHA-256: 2e45682b2529de5db1b1a2713c174577faa4c19dcc81352a15bde0fd426cc44e
python-perf-2.6.32-754.39.1.el6.x86_64.rpm SHA-256: e7ebb0ac706f67097c64144450e12e76d8efdf658f4a52fe556038865fb48856
python-perf-debuginfo-2.6.32-754.39.1.el6.i686.rpm SHA-256: c6de473228e2801fe97db4fc72df773e9868e291bbebb458297b71b5c0f59bb9
python-perf-debuginfo-2.6.32-754.39.1.el6.x86_64.rpm SHA-256: 3298d9e2c52943218b1ee640446b0fe6cb64587c60b38ce9bdd456b1d3405aca
python-perf-debuginfo-2.6.32-754.39.1.el6.x86_64.rpm SHA-256: 3298d9e2c52943218b1ee640446b0fe6cb64587c60b38ce9bdd456b1d3405aca
i386
kernel-2.6.32-754.39.1.el6.i686.rpm SHA-256: 307b8e0ce29c1c2fffcdde81f52a82a0957af5c81c3d73e1f8a44b1c26c96155
kernel-abi-whitelists-2.6.32-754.39.1.el6.noarch.rpm SHA-256: 09628d31130d67e09cf00f60c432d578dbf88783b39204d9aecb4007ad7fd46b
kernel-debug-2.6.32-754.39.1.el6.i686.rpm SHA-256: 3b1e774f7499e5e3604ddf9ed94131d3e31a36250e068b791403167caf03f3f6
kernel-debug-debuginfo-2.6.32-754.39.1.el6.i686.rpm SHA-256: 1b32fdd3b7db7af6bbf1f4083abf9c5909831f3a3cc0c67300fa187ddf485fff
kernel-debug-debuginfo-2.6.32-754.39.1.el6.i686.rpm SHA-256: 1b32fdd3b7db7af6bbf1f4083abf9c5909831f3a3cc0c67300fa187ddf485fff
kernel-debug-devel-2.6.32-754.39.1.el6.i686.rpm SHA-256: b10938100bdafb57ae2a119bffa1e99eb705f630efd73547413e8b7491c40cb8
kernel-debuginfo-2.6.32-754.39.1.el6.i686.rpm SHA-256: 79479743de81ee0e771bbc472a982bb4177a019ed4c21b35dcad507a0bf6ea90
kernel-debuginfo-2.6.32-754.39.1.el6.i686.rpm SHA-256: 79479743de81ee0e771bbc472a982bb4177a019ed4c21b35dcad507a0bf6ea90
kernel-debuginfo-common-i686-2.6.32-754.39.1.el6.i686.rpm SHA-256: 283799ea65d20dd075af96eb1ea440ff41055c958a982cfa5c0cd5ba23751a3a
kernel-debuginfo-common-i686-2.6.32-754.39.1.el6.i686.rpm SHA-256: 283799ea65d20dd075af96eb1ea440ff41055c958a982cfa5c0cd5ba23751a3a
kernel-devel-2.6.32-754.39.1.el6.i686.rpm SHA-256: 620b8404178e87bccf70d4058d6e2489cd44589fb9e0d0777876dac3bce972b6
kernel-doc-2.6.32-754.39.1.el6.noarch.rpm SHA-256: 9f03520bffd188d048db0a7f64285035dbefa1b7e4e1e21ce2f79d0ec7dbde2d
kernel-firmware-2.6.32-754.39.1.el6.noarch.rpm SHA-256: 5dd1b76733d615d2bc6619e641803d4beccbd806976bebc72622b81088aaf7a2
kernel-headers-2.6.32-754.39.1.el6.i686.rpm SHA-256: fba7e322ff6c50c4091f6c5453fea12393b0c9481de1c011512522e6d6b0e5db
perf-2.6.32-754.39.1.el6.i686.rpm SHA-256: ca87dd0ef408187018ac7357f8ecdf9332501411a1452dcb7ce5a5f22cb84c71
perf-debuginfo-2.6.32-754.39.1.el6.i686.rpm SHA-256: a5d3a935e61152671fd7beff95b863e512803233db193f97c1cd9f7949c30381
perf-debuginfo-2.6.32-754.39.1.el6.i686.rpm SHA-256: a5d3a935e61152671fd7beff95b863e512803233db193f97c1cd9f7949c30381
python-perf-2.6.32-754.39.1.el6.i686.rpm SHA-256: c0f73b1ef972c5c6073526f48b92bf4f7b69974dc7eada57fab7572b0edc6e27
python-perf-debuginfo-2.6.32-754.39.1.el6.i686.rpm SHA-256: c6de473228e2801fe97db4fc72df773e9868e291bbebb458297b71b5c0f59bb9
python-perf-debuginfo-2.6.32-754.39.1.el6.i686.rpm SHA-256: c6de473228e2801fe97db4fc72df773e9868e291bbebb458297b71b5c0f59bb9

Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6

SRPM
kernel-2.6.32-754.39.1.el6.src.rpm SHA-256: d7ae7547d8112931d4c5da51ece5858ea52e3c9c97376be5c7d56f2fbe0701f0
s390x
kernel-2.6.32-754.39.1.el6.s390x.rpm SHA-256: cbbba4088532f9038e342dd4c9895dd20dabbeb1bdeb804ad02a874124bdf51b
kernel-abi-whitelists-2.6.32-754.39.1.el6.noarch.rpm SHA-256: 09628d31130d67e09cf00f60c432d578dbf88783b39204d9aecb4007ad7fd46b
kernel-debug-2.6.32-754.39.1.el6.s390x.rpm SHA-256: aa1ee8642266a1bf050e03b8d695174d12211f0e322674e5c38c49e62d5d8833
kernel-debug-debuginfo-2.6.32-754.39.1.el6.s390x.rpm SHA-256: e9638f7da41395492d1aa2c57e9dc147746e6024f1e1f522c43f8f920b471b16
kernel-debug-debuginfo-2.6.32-754.39.1.el6.s390x.rpm SHA-256: e9638f7da41395492d1aa2c57e9dc147746e6024f1e1f522c43f8f920b471b16
kernel-debug-devel-2.6.32-754.39.1.el6.s390x.rpm SHA-256: e704a09333ed61e50d399674bba94617d6859ff700bfb0b0516949e7402ddd93
kernel-debuginfo-2.6.32-754.39.1.el6.s390x.rpm SHA-256: fe5cefbc4ed4e50582f646bce3581d78a750b9d9b3beba0ce886839aac1001e7
kernel-debuginfo-2.6.32-754.39.1.el6.s390x.rpm SHA-256: fe5cefbc4ed4e50582f646bce3581d78a750b9d9b3beba0ce886839aac1001e7
kernel-debuginfo-common-s390x-2.6.32-754.39.1.el6.s390x.rpm SHA-256: 3131748ff86b498332758f7361a2079e9b2b4d2d45c587394de000e5335997e2
kernel-debuginfo-common-s390x-2.6.32-754.39.1.el6.s390x.rpm SHA-256: 3131748ff86b498332758f7361a2079e9b2b4d2d45c587394de000e5335997e2
kernel-devel-2.6.32-754.39.1.el6.s390x.rpm SHA-256: 19d33178d17ada72a1dd41cf218b816c9fb8263a8bb2de2f4e82d72275b2273e
kernel-doc-2.6.32-754.39.1.el6.noarch.rpm SHA-256: 9f03520bffd188d048db0a7f64285035dbefa1b7e4e1e21ce2f79d0ec7dbde2d
kernel-firmware-2.6.32-754.39.1.el6.noarch.rpm SHA-256: 5dd1b76733d615d2bc6619e641803d4beccbd806976bebc72622b81088aaf7a2
kernel-headers-2.6.32-754.39.1.el6.s390x.rpm SHA-256: 6b20f1688b196913283a47a693af86579cfbd01e2eadef17d30a179ae47ee716
kernel-kdump-2.6.32-754.39.1.el6.s390x.rpm SHA-256: e12ef223eb5a1864ea51c6b6b4fc34ca7baacd1fa0f61f40f5e4af3345394985
kernel-kdump-debuginfo-2.6.32-754.39.1.el6.s390x.rpm SHA-256: 82a64e86eae90d9635633e668327b9922fae38b18ff438b0f93092ffa25c58f2
kernel-kdump-debuginfo-2.6.32-754.39.1.el6.s390x.rpm SHA-256: 82a64e86eae90d9635633e668327b9922fae38b18ff438b0f93092ffa25c58f2
kernel-kdump-devel-2.6.32-754.39.1.el6.s390x.rpm SHA-256: ce2f5558c0540c354359b916ad27c30de865cbc0797dbf3a0e5b5ab6dd37814d
perf-2.6.32-754.39.1.el6.s390x.rpm SHA-256: 2d14895da8920afeb9e03e6c2a9004d26d2a3871d0949752866f59a3913427a1
perf-debuginfo-2.6.32-754.39.1.el6.s390x.rpm SHA-256: 490f4001e5ea102c3033c61d239328c46f2f535346baab97b8573cf79a2d948d
perf-debuginfo-2.6.32-754.39.1.el6.s390x.rpm SHA-256: 490f4001e5ea102c3033c61d239328c46f2f535346baab97b8573cf79a2d948d
python-perf-2.6.32-754.39.1.el6.s390x.rpm SHA-256: 92236c69fa321c2369b7d826436b034ed7bdca34b6e7e04444ac81a15dbac2d1
python-perf-debuginfo-2.6.32-754.39.1.el6.s390x.rpm SHA-256: 59e8dbed0cb8282a6398957b2cb6b0f198f6e57d459a2aed59bf7a0a59ac027b
python-perf-debuginfo-2.6.32-754.39.1.el6.s390x.rpm SHA-256: 59e8dbed0cb8282a6398957b2cb6b0f198f6e57d459a2aed59bf7a0a59ac027b

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