- Issued:
- 2021-07-20
- Updated:
- 2021-07-20
RHSA-2021:2732 - Security Advisory
Synopsis
Important: kernel security update
Type/Severity
Security Advisory: Important
Red Hat Insights patch analysis
Identify and remediate systems affected by this advisory.
Topic
An update for kernel is now available for Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update Support, and Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions.
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: size_t-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909)
- kernel: SCSI target (LIO) write to any block on ILO backstore (CVE-2020-28374)
- kernel: Use after free via PI futex state (CVE-2021-3347)
- kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan (CVE-2021-33034)
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.
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 - AUS 7.4 x86_64
- Red Hat Enterprise Linux Server - TUS 7.4 x86_64
- Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.4 ppc64le
- Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.4 x86_64
Fixes
- BZ - 1899804 - CVE-2020-28374 kernel: SCSI target (LIO) write to any block on ILO backstore
- BZ - 1922249 - CVE-2021-3347 kernel: Use after free via PI futex state
- BZ - 1961305 - CVE-2021-33034 kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan
- BZ - 1970273 - CVE-2021-33909 kernel: size_t-to-int conversion vulnerability in the filesystem layer
Note:
More recent versions of these packages may be available.
Click a package name for more details.
Red Hat Enterprise Linux Server - AUS 7.4
| SRPM | |
|---|---|
| kernel-3.10.0-693.90.2.el7.src.rpm | SHA-256: b126805518a3d53ad0b47a66ca65a31c640a5b36b8687e992bb2296e60610c7b |
| x86_64 | |
| kernel-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 3602db3be877a2cdf2ba74253f9bd720420513a155425c0817c1c2bbecdc4316 |
| kernel-abi-whitelists-3.10.0-693.90.2.el7.noarch.rpm | SHA-256: bcc0058087b89b4a1fd90985f83d4047bed3cc3435d555a5e0e0ca6d79e96756 |
| kernel-debug-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 353e0368e9d024e7858f43b0c081736fb66e61f202428129123ceb066ef66818 |
| kernel-debug-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 3522d27245ed3296fea24a8e904629c81df8b29ac1e9900bb8f25e2ae3845b25 |
| kernel-debug-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 3522d27245ed3296fea24a8e904629c81df8b29ac1e9900bb8f25e2ae3845b25 |
| kernel-debug-devel-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 1d87b80a3f1ec0228bc5466b750f41daf8be654ddd35d18e1041e7fb56a6c82c |
| kernel-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 197ba97176749b14d137672af0fd4a49a1f40b6b4eb6b63eb47fcf833aaedf89 |
| kernel-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 197ba97176749b14d137672af0fd4a49a1f40b6b4eb6b63eb47fcf833aaedf89 |
| kernel-debuginfo-common-x86_64-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 4723ed50cf24b45307fa105f98de6fbd96f1fa88aef10bb87cec39f3c45ba4b6 |
| kernel-debuginfo-common-x86_64-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 4723ed50cf24b45307fa105f98de6fbd96f1fa88aef10bb87cec39f3c45ba4b6 |
| kernel-devel-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: b27fc598ffa1f3c01aff8f14bd46ccb724bdfae54148051a663accacb4135e26 |
| kernel-doc-3.10.0-693.90.2.el7.noarch.rpm | SHA-256: 8862baaf2ff6c91750512e785b969dfa1834240e1a9aceeb12d8bbfdf49e09d0 |
| kernel-headers-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 7f9dac5950d4dc957c17b502d6f3bcb98efcb9661ad11d858db3018be2ad337d |
| kernel-tools-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 0fdb9ea2af9b1ebd31a39810984256946cae598af91ed4801dc1f92a5a84720b |
| kernel-tools-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: ef57906893dfda95e7f65ec96bb1aa72460338c993ff491eb7c6a2d440a4871a |
| kernel-tools-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: ef57906893dfda95e7f65ec96bb1aa72460338c993ff491eb7c6a2d440a4871a |
| kernel-tools-libs-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 8036807dec372100f7f115b5af581a47aab1f3c768509c21982b6fd5cfaf0ee4 |
| kernel-tools-libs-devel-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 58df98a3ecabd255b38ee047ac124294ecf247558e56b823c54495d5120a8165 |
| perf-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: ef302f4a995104b097be34b4407934e559bd178abc1b2be464152457ea5933a3 |
| perf-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 4fa371a1ace27f5d9b3f472df266b2cd5c1d1655b4d3e11cf9a780f81597ee28 |
| perf-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 4fa371a1ace27f5d9b3f472df266b2cd5c1d1655b4d3e11cf9a780f81597ee28 |
| python-perf-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: bc49ccf701edb320fc50d1e85c38cf0a495b485976728b00dad6d942d5f85fb5 |
| python-perf-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: c5472bd87c4528e8f1a63562f3787b9168679798b93e41508dbeccaac0dfd153 |
| python-perf-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: c5472bd87c4528e8f1a63562f3787b9168679798b93e41508dbeccaac0dfd153 |
Red Hat Enterprise Linux Server - TUS 7.4
| SRPM | |
|---|---|
| kernel-3.10.0-693.90.2.el7.src.rpm | SHA-256: b126805518a3d53ad0b47a66ca65a31c640a5b36b8687e992bb2296e60610c7b |
| x86_64 | |
| kernel-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 3602db3be877a2cdf2ba74253f9bd720420513a155425c0817c1c2bbecdc4316 |
| kernel-abi-whitelists-3.10.0-693.90.2.el7.noarch.rpm | SHA-256: bcc0058087b89b4a1fd90985f83d4047bed3cc3435d555a5e0e0ca6d79e96756 |
| kernel-debug-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 353e0368e9d024e7858f43b0c081736fb66e61f202428129123ceb066ef66818 |
| kernel-debug-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 3522d27245ed3296fea24a8e904629c81df8b29ac1e9900bb8f25e2ae3845b25 |
| kernel-debug-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 3522d27245ed3296fea24a8e904629c81df8b29ac1e9900bb8f25e2ae3845b25 |
| kernel-debug-devel-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 1d87b80a3f1ec0228bc5466b750f41daf8be654ddd35d18e1041e7fb56a6c82c |
| kernel-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 197ba97176749b14d137672af0fd4a49a1f40b6b4eb6b63eb47fcf833aaedf89 |
| kernel-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 197ba97176749b14d137672af0fd4a49a1f40b6b4eb6b63eb47fcf833aaedf89 |
| kernel-debuginfo-common-x86_64-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 4723ed50cf24b45307fa105f98de6fbd96f1fa88aef10bb87cec39f3c45ba4b6 |
| kernel-debuginfo-common-x86_64-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 4723ed50cf24b45307fa105f98de6fbd96f1fa88aef10bb87cec39f3c45ba4b6 |
| kernel-devel-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: b27fc598ffa1f3c01aff8f14bd46ccb724bdfae54148051a663accacb4135e26 |
| kernel-doc-3.10.0-693.90.2.el7.noarch.rpm | SHA-256: 8862baaf2ff6c91750512e785b969dfa1834240e1a9aceeb12d8bbfdf49e09d0 |
| kernel-headers-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 7f9dac5950d4dc957c17b502d6f3bcb98efcb9661ad11d858db3018be2ad337d |
| kernel-tools-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 0fdb9ea2af9b1ebd31a39810984256946cae598af91ed4801dc1f92a5a84720b |
| kernel-tools-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: ef57906893dfda95e7f65ec96bb1aa72460338c993ff491eb7c6a2d440a4871a |
| kernel-tools-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: ef57906893dfda95e7f65ec96bb1aa72460338c993ff491eb7c6a2d440a4871a |
| kernel-tools-libs-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 8036807dec372100f7f115b5af581a47aab1f3c768509c21982b6fd5cfaf0ee4 |
| kernel-tools-libs-devel-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 58df98a3ecabd255b38ee047ac124294ecf247558e56b823c54495d5120a8165 |
| perf-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: ef302f4a995104b097be34b4407934e559bd178abc1b2be464152457ea5933a3 |
| perf-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 4fa371a1ace27f5d9b3f472df266b2cd5c1d1655b4d3e11cf9a780f81597ee28 |
| perf-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 4fa371a1ace27f5d9b3f472df266b2cd5c1d1655b4d3e11cf9a780f81597ee28 |
| python-perf-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: bc49ccf701edb320fc50d1e85c38cf0a495b485976728b00dad6d942d5f85fb5 |
| python-perf-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: c5472bd87c4528e8f1a63562f3787b9168679798b93e41508dbeccaac0dfd153 |
| python-perf-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: c5472bd87c4528e8f1a63562f3787b9168679798b93e41508dbeccaac0dfd153 |
Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.4
| SRPM | |
|---|---|
| kernel-3.10.0-693.90.2.el7.src.rpm | SHA-256: b126805518a3d53ad0b47a66ca65a31c640a5b36b8687e992bb2296e60610c7b |
| ppc64le | |
| kernel-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: 9a48b99bb6b71cb4358d682d78403715c7e39a5a522fc94614663283133620c4 |
| kernel-abi-whitelists-3.10.0-693.90.2.el7.noarch.rpm | SHA-256: bcc0058087b89b4a1fd90985f83d4047bed3cc3435d555a5e0e0ca6d79e96756 |
| kernel-bootwrapper-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: 822d65b3fc2a2754edf9a11368e3d2ee5c9f518d97c46615f085563484f05256 |
| kernel-debug-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: 3f11d81e8a6174dd5614ead7698186526d8dab6771d4e30734eae539aaf44e61 |
| kernel-debug-debuginfo-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: 6020857715292e04b856ff0e4ed727d98660ca4f2ae6e7b408a622dc14841721 |
| kernel-debug-debuginfo-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: 6020857715292e04b856ff0e4ed727d98660ca4f2ae6e7b408a622dc14841721 |
| kernel-debug-devel-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: df0847320fd896ed6ecbb62175427b42107ea88b64f557ac306dd1fb582c35e6 |
| kernel-debuginfo-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: a5e723a47b2957bd129d949713296d04cb3abd86fccb758660449c45debd7a3f |
| kernel-debuginfo-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: a5e723a47b2957bd129d949713296d04cb3abd86fccb758660449c45debd7a3f |
| kernel-debuginfo-common-ppc64le-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: 5891519431152eb89fd831367e5acb1ae68170431280253ee65b15b55f641d41 |
| kernel-debuginfo-common-ppc64le-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: 5891519431152eb89fd831367e5acb1ae68170431280253ee65b15b55f641d41 |
| kernel-devel-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: 288f0f386766d0ab996f84e489c99ed20a0bcb7fc5d8ae24b3d0c84aa2aedec3 |
| kernel-doc-3.10.0-693.90.2.el7.noarch.rpm | SHA-256: 8862baaf2ff6c91750512e785b969dfa1834240e1a9aceeb12d8bbfdf49e09d0 |
| kernel-headers-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: 5a41e184ed2fe799f452128f7204774f3d23b0b0916893d1cb2b2867cd93ec94 |
| kernel-tools-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: 6c9177e479d0834f983cd5a49aeaeb6c3cf9cb14bcffff969dab757f0cb09994 |
| kernel-tools-debuginfo-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: 1988fac5c922f2728ad392a5b9abc738c22d71fc24a8b86f41faa3784ca3d019 |
| kernel-tools-debuginfo-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: 1988fac5c922f2728ad392a5b9abc738c22d71fc24a8b86f41faa3784ca3d019 |
| kernel-tools-libs-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: b07f18b69e8055b8bbec35eb6f0d28763b5166768052657e32becb005cfa9b37 |
| kernel-tools-libs-devel-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: ea53fff89cdb674a52035cf6a43103ee49f133bfed5c0942b72e456ce84b407d |
| perf-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: 16ebfd8bf3fe077eb642f12d0d5f32c0d57445632ab12e5f1d70fcfe5f79ab21 |
| perf-debuginfo-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: d6f871c78756c31c379f2dd8826bd9a4e66f44d24dffd6f047cc07097fa1a11c |
| perf-debuginfo-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: d6f871c78756c31c379f2dd8826bd9a4e66f44d24dffd6f047cc07097fa1a11c |
| python-perf-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: a306ac1e346c9582434218582cefbb949b814080d8e90a428c96c01dfcc71a30 |
| python-perf-debuginfo-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: ff1dcef4c557687d5589c4fb82c6bd7cd507bf50a0d4c47fa3289ed869289f4e |
| python-perf-debuginfo-3.10.0-693.90.2.el7.ppc64le.rpm | SHA-256: ff1dcef4c557687d5589c4fb82c6bd7cd507bf50a0d4c47fa3289ed869289f4e |
Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.4
| SRPM | |
|---|---|
| kernel-3.10.0-693.90.2.el7.src.rpm | SHA-256: b126805518a3d53ad0b47a66ca65a31c640a5b36b8687e992bb2296e60610c7b |
| x86_64 | |
| kernel-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 3602db3be877a2cdf2ba74253f9bd720420513a155425c0817c1c2bbecdc4316 |
| kernel-abi-whitelists-3.10.0-693.90.2.el7.noarch.rpm | SHA-256: bcc0058087b89b4a1fd90985f83d4047bed3cc3435d555a5e0e0ca6d79e96756 |
| kernel-debug-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 353e0368e9d024e7858f43b0c081736fb66e61f202428129123ceb066ef66818 |
| kernel-debug-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 3522d27245ed3296fea24a8e904629c81df8b29ac1e9900bb8f25e2ae3845b25 |
| kernel-debug-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 3522d27245ed3296fea24a8e904629c81df8b29ac1e9900bb8f25e2ae3845b25 |
| kernel-debug-devel-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 1d87b80a3f1ec0228bc5466b750f41daf8be654ddd35d18e1041e7fb56a6c82c |
| kernel-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 197ba97176749b14d137672af0fd4a49a1f40b6b4eb6b63eb47fcf833aaedf89 |
| kernel-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 197ba97176749b14d137672af0fd4a49a1f40b6b4eb6b63eb47fcf833aaedf89 |
| kernel-debuginfo-common-x86_64-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 4723ed50cf24b45307fa105f98de6fbd96f1fa88aef10bb87cec39f3c45ba4b6 |
| kernel-debuginfo-common-x86_64-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 4723ed50cf24b45307fa105f98de6fbd96f1fa88aef10bb87cec39f3c45ba4b6 |
| kernel-devel-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: b27fc598ffa1f3c01aff8f14bd46ccb724bdfae54148051a663accacb4135e26 |
| kernel-doc-3.10.0-693.90.2.el7.noarch.rpm | SHA-256: 8862baaf2ff6c91750512e785b969dfa1834240e1a9aceeb12d8bbfdf49e09d0 |
| kernel-headers-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 7f9dac5950d4dc957c17b502d6f3bcb98efcb9661ad11d858db3018be2ad337d |
| kernel-tools-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 0fdb9ea2af9b1ebd31a39810984256946cae598af91ed4801dc1f92a5a84720b |
| kernel-tools-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: ef57906893dfda95e7f65ec96bb1aa72460338c993ff491eb7c6a2d440a4871a |
| kernel-tools-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: ef57906893dfda95e7f65ec96bb1aa72460338c993ff491eb7c6a2d440a4871a |
| kernel-tools-libs-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 8036807dec372100f7f115b5af581a47aab1f3c768509c21982b6fd5cfaf0ee4 |
| kernel-tools-libs-devel-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 58df98a3ecabd255b38ee047ac124294ecf247558e56b823c54495d5120a8165 |
| perf-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: ef302f4a995104b097be34b4407934e559bd178abc1b2be464152457ea5933a3 |
| perf-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 4fa371a1ace27f5d9b3f472df266b2cd5c1d1655b4d3e11cf9a780f81597ee28 |
| perf-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: 4fa371a1ace27f5d9b3f472df266b2cd5c1d1655b4d3e11cf9a780f81597ee28 |
| python-perf-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: bc49ccf701edb320fc50d1e85c38cf0a495b485976728b00dad6d942d5f85fb5 |
| python-perf-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: c5472bd87c4528e8f1a63562f3787b9168679798b93e41508dbeccaac0dfd153 |
| python-perf-debuginfo-3.10.0-693.90.2.el7.x86_64.rpm | SHA-256: c5472bd87c4528e8f1a63562f3787b9168679798b93e41508dbeccaac0dfd153 |
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