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Description

In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to operating out-of-place This mostly reverts commit 72548b093ee3 except for the copying of the associated data. There is no benefit in operating in-place in algif_aead since the source and destination come from different mappings. Get rid of all the complexity added for in-place operation and just copy the AD directly.

PUBLISHED Reserved 2026-03-09 | Published 2026-04-22 | Updated 2026-05-12 | Assigner Linux




HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA Known Exploited Vulnerability

Date added 2026-05-01 | Due date 2026-05-15

"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Product status

Default status
unaffected

72548b093ee38a6d4f2a19e6ef1948ae05c181f7 (git) before 893d22e0135fa394db81df88697fba6032747667
affected

72548b093ee38a6d4f2a19e6ef1948ae05c181f7 (git) before 19d43105a97be0810edbda875f2cd03f30dc130c
affected

72548b093ee38a6d4f2a19e6ef1948ae05c181f7 (git) before 961cfa271a918ad4ae452420e7c303149002875b
affected

72548b093ee38a6d4f2a19e6ef1948ae05c181f7 (git) before 3115af9644c342b356f3f07a4dd1c8905cd9a6fc
affected

72548b093ee38a6d4f2a19e6ef1948ae05c181f7 (git) before 8b88d99341f139e23bdeb1027a2a3ae10d341d82
affected

72548b093ee38a6d4f2a19e6ef1948ae05c181f7 (git) before fafe0fa2995a0f7073c1c358d7d3145bcc9aedd8
affected

72548b093ee38a6d4f2a19e6ef1948ae05c181f7 (git) before ce42ee423e58dffa5ec03524054c9d8bfd4f6237
affected

72548b093ee38a6d4f2a19e6ef1948ae05c181f7 (git) before a664bf3d603dc3bdcf9ae47cc21e0daec706d7a5
affected

Default status
affected

4.14
affected

Any version before 4.14
unaffected

5.10.254 (semver)
unaffected

5.15.204 (semver)
unaffected

6.1.170 (semver)
unaffected

6.6.137 (semver)
unaffected

6.12.85 (semver)
unaffected

6.18.22 (semver)
unaffected

6.19.12 (semver)
unaffected

7.0 (original_commit_for_fix)
unaffected

References

github.com/theori-io/copy-fail-CVE-2026-31431 exploit

xint.io/blog/copy-fail-linux-distributions mitigation

lore.kernel.org/...ce/2026042214-CVE-2026-31431-3d65@gregkh/ mitigation

access.redhat.com/security/cve/cve-2026-31431 mitigation

www.cisa.gov/...erabilities-catalog?field_cve=CVE-2026-31431 government-resource

www.openwall.com/lists/oss-security/2026/04/29/23

copy.fail

www.openwall.com/lists/oss-security/2026/04/29/25

www.openwall.com/lists/oss-security/2026/04/29/26

www.openwall.com/lists/oss-security/2026/04/30/2

www.openwall.com/lists/oss-security/2026/04/30/5

www.openwall.com/lists/oss-security/2026/04/30/6

www.openwall.com/lists/oss-security/2026/04/30/10

www.openwall.com/lists/oss-security/2026/04/30/11

www.openwall.com/lists/oss-security/2026/04/30/12

www.openwall.com/lists/oss-security/2026/04/30/14

www.openwall.com/lists/oss-security/2026/04/30/15

www.openwall.com/lists/oss-security/2026/04/30/16

www.openwall.com/lists/oss-security/2026/04/30/17

www.openwall.com/lists/oss-security/2026/04/30/18

websec.net/...e-cache-write-to-root-69f38a4ccddd2db1f520f170

www.openwall.com/lists/oss-security/2026/04/30/20

www.openwall.com/lists/oss-security/2026/05/01/2

www.openwall.com/lists/oss-security/2026/05/01/3

www.openwall.com/lists/oss-security/2026/05/01/10

www.openwall.com/lists/oss-security/2026/05/01/12

www.openwall.com/lists/oss-security/2026/05/01/15

www.openwall.com/lists/oss-security/2026/05/01/16

www.openwall.com/lists/oss-security/2026/05/01/17

www.openwall.com/lists/oss-security/2026/05/01/18

www.openwall.com/lists/oss-security/2026/05/01/22

www.openwall.com/lists/oss-security/2026/05/01/23

www.openwall.com/lists/oss-security/2026/05/01/24

www.openwall.com/lists/oss-security/2026/05/02/4

www.openwall.com/lists/oss-security/2026/05/02/5

www.openwall.com/lists/oss-security/2026/05/02/6

www.openwall.com/lists/oss-security/2026/05/02/7

www.openwall.com/lists/oss-security/2026/05/02/8

www.openwall.com/lists/oss-security/2026/05/02/14

www.openwall.com/lists/oss-security/2026/05/02/15

www.openwall.com/lists/oss-security/2026/05/02/16

www.openwall.com/lists/oss-security/2026/05/02/17

www.openwall.com/lists/oss-security/2026/05/02/18

www.openwall.com/lists/oss-security/2026/05/02/19

www.openwall.com/lists/oss-security/2026/05/02/20

www.openwall.com/lists/oss-security/2026/05/02/21

www.openwall.com/lists/oss-security/2026/05/02/23

www.openwall.com/lists/oss-security/2026/05/02/24

www.openwall.com/lists/oss-security/2026/05/02/25

www.openwall.com/lists/oss-security/2026/05/03/3

www.openwall.com/lists/oss-security/2026/05/03/4

www.openwall.com/lists/oss-security/2026/05/03/10

www.openwall.com/lists/oss-security/2026/05/03/5

www.openwall.com/lists/oss-security/2026/05/03/6

www.openwall.com/lists/oss-security/2026/05/03/12

www.openwall.com/lists/oss-security/2026/05/03/13

www.openwall.com/lists/oss-security/2026/05/04/1

www.openwall.com/lists/oss-security/2026/05/04/2

www.openwall.com/lists/oss-security/2026/05/04/10

www.openwall.com/lists/oss-security/2026/05/04/11

www.openwall.com/lists/oss-security/2026/05/04/12

www.openwall.com/lists/oss-security/2026/05/04/13

www.openwall.com/lists/oss-security/2026/05/04/14

www.openwall.com/lists/oss-security/2026/05/04/8

www.openwall.com/lists/oss-security/2026/05/04/9

www.openwall.com/lists/oss-security/2026/05/04/24

www.openwall.com/lists/oss-security/2026/05/04/27

www.openwall.com/lists/oss-security/2026/05/04/28

www.openwall.com/lists/oss-security/2026/05/04/29

www.openwall.com/lists/oss-security/2026/05/04/31

www.openwall.com/lists/oss-security/2026/05/06/5

www.openwall.com/lists/oss-security/2026/05/07/2

www.openwall.com/lists/oss-security/2026/05/07/12

www.openwall.com/lists/oss-security/2026/05/08/13

www.kb.cert.org/vuls/id/260001

cert-portal.siemens.com/productcert/html/ssa-265688.html

cert-portal.siemens.com/productcert/html/ssa-082556.html

git.kernel.org/...c/893d22e0135fa394db81df88697fba6032747667

git.kernel.org/...c/19d43105a97be0810edbda875f2cd03f30dc130c

git.kernel.org/...c/961cfa271a918ad4ae452420e7c303149002875b

git.kernel.org/...c/3115af9644c342b356f3f07a4dd1c8905cd9a6fc

git.kernel.org/...c/8b88d99341f139e23bdeb1027a2a3ae10d341d82

git.kernel.org/...c/fafe0fa2995a0f7073c1c358d7d3145bcc9aedd8

git.kernel.org/...c/ce42ee423e58dffa5ec03524054c9d8bfd4f6237

git.kernel.org/...c/a664bf3d603dc3bdcf9ae47cc21e0daec706d7a5

cve.org (CVE-2026-31431)

nvd.nist.gov (CVE-2026-31431)

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