[ALSA-2026:93461] Important: util-linux security update
Type:
security
Severity:
important
Release date:
2026-11-02
Description:
The util-linux packages contain a large variety of low-level system utilities that are necessary for a Linux system to function. Among others, these include the fdisk configuration tool and the login program. Security Fix(es): * util-linux: TOCTOU in the mount program when setting up loop devices (CVE-2026-27456) * util-linux: util-linux: heap use-after-free in libblkid nested partition probing (CVE-2026-13595) * util-linux: TOCTOU in the mount program via ancestor directory swap on target path (CVE-2026-53613) * util-linux: util-linux: TOCTOU in the mount program when applying post-mount ownership/mode changes (CVE-2026-53612) * util-linux: util-linux: SUID mount(8) allows nosuid/noexec bypass via LIBMOUNT_FORCE_MOUNT2 (CVE-2026-53614) * util-linux: util-linux: failed external mount helper still runs privileged X-mount post-hooks (CVE-2026-76642) * util-linux: util-linux: nsenter --join-cgroup leaks root cgroup migration authority (CVE-2026-78408) * util-linux: util-linux: restricted bind mounts do not pin the source, allowing X-mount.owner/group/mode redirection (CVE-2026-78410) * util-linux: util-linux: Partition metadata compromise via integer overflow in DOS partition parser (CVE-2026-53615) 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.
References:
Updated packages listed below:
Architecture Package Checksum
aarch64 libmount-2.40.2-18.el10_2.20.aarch64.rpm 05e81a86f236a21f88d2750997bceb3800c6272c1242be5f58da96a2b62fd17f
aarch64 libsmartcols-2.40.2-18.el10_2.20.aarch64.rpm 066ac8bc3d499784406e6b64c44916ecbd8651f6c6ef67c0841366588efd147f
aarch64 util-linux-core-2.40.2-18.el10_2.20.aarch64.rpm 079ce1e90db14f6f8f2165cc0592ef8617a5bad67b409c5b30c08c7f88010216
aarch64 libblkid-2.40.2-18.el10_2.20.aarch64.rpm 0b30d4b848fef49d1dfa55f14516788602d22ab5a0c4422f5fda0a0f69ff5018
aarch64 libblkid-devel-2.40.2-18.el10_2.20.aarch64.rpm 1d6bc63fbd29038caf3c548589f2c1c7672f74c3eb017e2fbcb7678dc4ceb232
aarch64 libmount-devel-2.40.2-18.el10_2.20.aarch64.rpm 518419e5ba25ebeca7f7e1a6a8f3c96b09170df4e5b8403b8f1c0fd8af3ebdf4
aarch64 libfdisk-devel-2.40.2-18.el10_2.20.aarch64.rpm 9f14ee95646eb11dd4692e9402a1801c232fe8a2d952d40bbaf6633ca43140b0
aarch64 util-linux-2.40.2-18.el10_2.20.aarch64.rpm 9f6afac7b5505ee44d047240007479b2c1c44d08b85b8d1f4816ef5dc89fce5c
aarch64 python3-libmount-2.40.2-18.el10_2.20.aarch64.rpm ac983525bc96f2a10c7d6ad3547b92c9ed1dbe7eb5d5ca243d25da627f19cc5c
aarch64 libuuid-devel-2.40.2-18.el10_2.20.aarch64.rpm d2c1bd10d9643256b4cc5eed14ac5b83542308a39683c0d4bd96f336cde92fee
aarch64 libuuid-2.40.2-18.el10_2.20.aarch64.rpm de7a219026dd0fd04f515019f6c0c2faa4c89e67812b210363aed76aadf275fc
aarch64 libsmartcols-devel-2.40.2-18.el10_2.20.aarch64.rpm f31335c61827536f997ee1719cd0c7fc1661ae0446ed24b5e9a64de8580c0598
aarch64 libfdisk-2.40.2-18.el10_2.20.aarch64.rpm f567ad297038811242fa9ed3fb707548104beadb857bd509a629e2c12f9d004e
aarch64 uuidd-2.40.2-18.el10_2.20.aarch64.rpm f8db4224b0716dd8d66af6f5fb96ea74653b8692f5a55e894bef85b754fb73eb
ppc64le libsmartcols-devel-2.40.2-18.el10_2.20.ppc64le.rpm 0616e8b62d60804b3124fe94779ad7c6a91353add0439bb8554e24023bff6aad
ppc64le libfdisk-devel-2.40.2-18.el10_2.20.ppc64le.rpm 0d3c472cd3832befe90755b67940d06d2a0c96ba93e712a544b1385f10be55e2
ppc64le util-linux-core-2.40.2-18.el10_2.20.ppc64le.rpm 0f80cec2b7fdb4d979c5263efdffa8239b7c3f1c291b0c22742b207ac9bff2c1
ppc64le libfdisk-2.40.2-18.el10_2.20.ppc64le.rpm 237cb852254b63e1c051064bfff122a25884ad25438fbadd16902d26199bc263
ppc64le libmount-devel-2.40.2-18.el10_2.20.ppc64le.rpm 5f1da9b3fa1f8a7145b862c03585d2484a78a64272d0aa9a65dca4e2ec1dffbb
ppc64le libmount-2.40.2-18.el10_2.20.ppc64le.rpm 7b29db961b76f2c1fd8290176e52b260b002fbed1e234fb3d8eca24c54768d64
ppc64le libuuid-devel-2.40.2-18.el10_2.20.ppc64le.rpm 96813f22a955306dea4262d544eb06cd3d98b6f5222a77241dd8383604cf3143
ppc64le uuidd-2.40.2-18.el10_2.20.ppc64le.rpm 99de03f1d118aa59b2ec87f331069d0d80796d55210250587b1ae9b2dfc48522
ppc64le libblkid-2.40.2-18.el10_2.20.ppc64le.rpm a29a492e5950be640cafeeccaddcb289d71212f59ce9075d83c593b4417a4854
ppc64le libblkid-devel-2.40.2-18.el10_2.20.ppc64le.rpm a5c1ed719612bd0ddd3cb0ddb62c7720b70dd4fbb2f68da5599c6b584cf7bfbf
ppc64le util-linux-2.40.2-18.el10_2.20.ppc64le.rpm b34dfa5c949f6ec75f62d718959245c1fc69c53a5078c7db71a20deacfd5fc8d
ppc64le libuuid-2.40.2-18.el10_2.20.ppc64le.rpm c46d703e2494b436c96a26b13082e570a56418d857da3067269a8605cc7dac6d
ppc64le libsmartcols-2.40.2-18.el10_2.20.ppc64le.rpm c913507e33dafe6557486763108639364d2bb8a528ab9a01559865ba110ff0c6
ppc64le python3-libmount-2.40.2-18.el10_2.20.ppc64le.rpm f79f3bc9caedbfe65bf3ebab46fed8ebc3d37294fed7a42f5344f46d00d4b9cb
s390x libfdisk-2.40.2-18.el10_2.20.s390x.rpm 05c28e7a796ba59d321b445ee070ef56be256d5b3c9ebb196b0fd85462dcdc9c
s390x util-linux-core-2.40.2-18.el10_2.20.s390x.rpm 06811d64024a2b0f9882c3b359345c1397a7272985e3d50cc4db17a853b95aba
s390x libuuid-devel-2.40.2-18.el10_2.20.s390x.rpm 17e551c9c4621856d2071a2b8d78e67092870e20631375df07795e65bb45f99b
s390x libmount-2.40.2-18.el10_2.20.s390x.rpm 1e973f2e37903f089be27a27a52454bc23b094f08cb6394700f163f94714a0e7
s390x libsmartcols-devel-2.40.2-18.el10_2.20.s390x.rpm 52befcdb3c0c05b008481eb5f68a09a1d58747c647bd44f14bfe11deda0eceeb
s390x libfdisk-devel-2.40.2-18.el10_2.20.s390x.rpm 655dc0ed937ed5cae6d721042d2adb74dbc119f66b12f72d6ec7416a1a0aec26
s390x libblkid-2.40.2-18.el10_2.20.s390x.rpm 6ac3521c4fbb26affb2a831606f6a7700250e2f97737e98be3d6ecee6292f622
s390x libblkid-devel-2.40.2-18.el10_2.20.s390x.rpm 8c0b68a8e70ccdf7799bc7dc919c4564b6784aac89169ba654e0d0487e7f807e
s390x libsmartcols-2.40.2-18.el10_2.20.s390x.rpm 97e930293aefeecd9e5313ded193676caa4bbad20d9df7ee7698149d62a81a59
s390x util-linux-2.40.2-18.el10_2.20.s390x.rpm 9bab0caf2a55cd6d2d6701dd05364c365b907c9178a6da2caf2dc9f324a9daca
s390x libmount-devel-2.40.2-18.el10_2.20.s390x.rpm cf8526e3e223486e21651c92d6fdb9359a0c15ea9529b87e5b7637af496f9799
s390x libuuid-2.40.2-18.el10_2.20.s390x.rpm e0e59d718d1d428cd169cc6deb7f9b82f0e72599fa823de1578ab40551ec72a6
s390x python3-libmount-2.40.2-18.el10_2.20.s390x.rpm ee8f53a255c4838c40dfd5eb64b217062d5f150378c7802dc01e5f62a4c12c26
s390x uuidd-2.40.2-18.el10_2.20.s390x.rpm f8ea05c71957a91631932ecebbbccdad268ef854995af151f838491349ec7f75
x86_64 libsmartcols-devel-2.40.2-18.el10_2.20.x86_64.rpm 0ac8800f8acb8274668eaa2fefba7ed81e0c364f900de3e9f77ba06e04f0fd06
x86_64 libblkid-devel-2.40.2-18.el10_2.20.x86_64.rpm 458da5bba36b6ccb5b9d35e1df9efd881c6d67febb44e886f099f2d2bbe314b5
x86_64 libmount-2.40.2-18.el10_2.20.x86_64.rpm 6d687517d4f6dd724e3bedf51b6b81a37390f30a7fbdb4ce8bbc1dcc05116256
x86_64 libsmartcols-2.40.2-18.el10_2.20.x86_64.rpm 7323f3157a0b7cb5024b56b560abb6db3f502ee63c2f7b29171b9b567e7b7689
x86_64 util-linux-2.40.2-18.el10_2.20.x86_64.rpm 839bd1debbf135694acc8c0354c0a03f69ba527e8a21b88038a49943f75f36dc
x86_64 libuuid-devel-2.40.2-18.el10_2.20.x86_64.rpm 96b6e879c05593f1af8e81a592d42af12f2dcd6d703818fa032dc359642ab2d5
x86_64 uuidd-2.40.2-18.el10_2.20.x86_64.rpm a4a7e64aaf81ab2e7f7579a24d5adcae7a015b70d4842221e638ea39d33710f9
x86_64 python3-libmount-2.40.2-18.el10_2.20.x86_64.rpm a6319128f82245e2599dc120d601c284c0f79a745ab11fc265803c0c73e464af
x86_64 libfdisk-devel-2.40.2-18.el10_2.20.x86_64.rpm b2dc8ae521519f3e928bc054df7db5a965ea90fab7ed744f4e56b46ac7dffe8c
x86_64 libblkid-2.40.2-18.el10_2.20.x86_64.rpm b472dada4c00867620c685a607ef83bede8be30d0d0bdee78146705ce3da1e3f
x86_64 libuuid-2.40.2-18.el10_2.20.x86_64.rpm cbd3bce21a3f15a0dada094fe58ca1b23b5b7eb629273897a6f2d29c22f11b70
x86_64 libfdisk-2.40.2-18.el10_2.20.x86_64.rpm dd79991e6155039de9d923c0bc78998436e7c51719909a260b6af1a98a601f7b
x86_64 util-linux-core-2.40.2-18.el10_2.20.x86_64.rpm eb516c7e01013603e908f17fac28c523e6daec751cad1e43c8b5f30caafae6e3
x86_64 libmount-devel-2.40.2-18.el10_2.20.x86_64.rpm f43240661549fa660e89115cebacb553660d6c19064b7daf1454db24179c37d8
x86_64_v2 util-linux-2.40.2-18.el10_2.20.x86_64_v2.rpm 0453670c9c7122a061bd44b5d1fe368a9c137bba25f4abea9778d54487f5a5e8
x86_64_v2 libfdisk-2.40.2-18.el10_2.20.x86_64_v2.rpm 28a652c5c4da9b58fed5dc7ce0811710a018d2e8432f5fa246ba140e11a977e0
x86_64_v2 libsmartcols-devel-2.40.2-18.el10_2.20.x86_64_v2.rpm 2c5f97fdb897c7e90e0d11b1007d80790ac03189f8a7377773a2a7781ec254cb
x86_64_v2 libfdisk-devel-2.40.2-18.el10_2.20.x86_64_v2.rpm 5e223a7460c56d963424110633eb2b362f0411f3014c9dcd9950321e543cc4f6
x86_64_v2 python3-libmount-2.40.2-18.el10_2.20.x86_64_v2.rpm 80a36d46ddf5d84ad289173233a726b4a0be421536de5b19792cc6b9a5fccb1c
x86_64_v2 libuuid-2.40.2-18.el10_2.20.x86_64_v2.rpm 8414a2c5128eadfb02c8c627a345429593462129414c61b393cf54d101bc8be4
x86_64_v2 util-linux-core-2.40.2-18.el10_2.20.x86_64_v2.rpm 9153c2498aea7448a687e802ffadcfce5f418e0279c925f8db0725b325f62ada
x86_64_v2 libblkid-2.40.2-18.el10_2.20.x86_64_v2.rpm b3df76fe51bfeebb7991628f0cd7121ff7654f910b6d22e897863a03f85926c2
x86_64_v2 libsmartcols-2.40.2-18.el10_2.20.x86_64_v2.rpm c5a1be2609975059ffccd6cfb58c2ae3d51247e1cd149fd345acebb1b3d53d52
x86_64_v2 libmount-devel-2.40.2-18.el10_2.20.x86_64_v2.rpm ca805a10943bf029db46e79be12d62c418dd819284ef94686cff6f402f09c23d
x86_64_v2 libuuid-devel-2.40.2-18.el10_2.20.x86_64_v2.rpm d699b7a23b17cc555973bfdf24cc166d7c831e9b3e1e73229e148d5155d47d0c
x86_64_v2 libblkid-devel-2.40.2-18.el10_2.20.x86_64_v2.rpm e84ea52f4ed5fc6d37c4b52293148838f75d8373a59d143f39cb4563a9786ee2
x86_64_v2 uuidd-2.40.2-18.el10_2.20.x86_64_v2.rpm ede93ba958b8c564fb17a723f388d0aea5485af671101369438ff73a4a1f888c
x86_64_v2 libmount-2.40.2-18.el10_2.20.x86_64_v2.rpm f4b3a6a770885ca3189777614525a0cd11dd1b2ccf8c8c0d628310aa2dadf278
Notes:
This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.