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CVE-2023-4015

Status Candidate

Overview

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. On an error when building a nftables rule, deactivating immediate expressions in nft_immediate_deactivate() can lead unbinding the chain and objects be deactivated but later used. We recommend upgrading past commit 0a771f7b266b02d262900c75f1e175c7fe76fec2.

Related Files

Debian Security Advisory 5492-1
Posted Sep 11, 2023
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5492-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2023-1206, CVE-2023-1989, CVE-2023-20588, CVE-2023-2430, CVE-2023-2898, CVE-2023-34319, CVE-2023-3611, CVE-2023-3772, CVE-2023-3773, CVE-2023-3776, CVE-2023-3777, CVE-2023-3863, CVE-2023-4004, CVE-2023-4015
SHA-256 | 60277f2faef1ae1013aaa8886111d7c6bc6dc369ef63d5538109f991fe7534ea
Ubuntu Security Notice USN-6348-1
Posted Sep 6, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6348-1 - Daniel Moghimi discovered that some Intel Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. Tavis Ormandy discovered that some AMD processors did not properly handle speculative execution of certain vector register instructions. A local attacker could use this to expose sensitive information.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2022-40982, CVE-2023-20593, CVE-2023-21400, CVE-2023-3609, CVE-2023-3610, CVE-2023-3611, CVE-2023-3776, CVE-2023-3777, CVE-2023-3995, CVE-2023-4004, CVE-2023-4015
SHA-256 | 21bd7ad16821bcaedade2c6fb31460d77707aeb86f94702a8dbdf11003cb7e00
Ubuntu Security Notice USN-6330-1
Posted Sep 2, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6330-1 - Daniel Moghimi discovered that some Intel Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. Tavis Ormandy discovered that some AMD processors did not properly handle speculative execution of certain vector register instructions. A local attacker could use this to expose sensitive information.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2022-40982, CVE-2023-20593, CVE-2023-21400, CVE-2023-3609, CVE-2023-3610, CVE-2023-3611, CVE-2023-3776, CVE-2023-3777, CVE-2023-3995, CVE-2023-4004, CVE-2023-4015
SHA-256 | deecf2a1038859bc54e7bc4552ec064b918fba9c85121f69ac6b49fd50ccbe1a
Ubuntu Security Notice USN-6328-1
Posted Sep 2, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6328-1 - Daniel Moghimi discovered that some Intel Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. Tavis Ormandy discovered that some AMD processors did not properly handle speculative execution of certain vector register instructions. A local attacker could use this to expose sensitive information.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2022-40982, CVE-2023-20593, CVE-2023-3609, CVE-2023-3610, CVE-2023-3611, CVE-2023-3776, CVE-2023-3777, CVE-2023-3995, CVE-2023-4004, CVE-2023-4015
SHA-256 | c4feb5d7fc10a439682355b4dd5a2b38977e66c51fb19680ebef69b62ce10d71
Ubuntu Security Notice USN-6325-1
Posted Aug 31, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6325-1 - Daniel Moghimi discovered that some Intel Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. Tavis Ormandy discovered that some AMD processors did not properly handle speculative execution of certain vector register instructions. A local attacker could use this to expose sensitive information.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2022-40982, CVE-2023-20593, CVE-2023-21400, CVE-2023-3609, CVE-2023-3610, CVE-2023-3611, CVE-2023-3776, CVE-2023-3777, CVE-2023-3995, CVE-2023-4004, CVE-2023-4015
SHA-256 | 1743858f505c25ed449fa21a975dfb6ace00d74d103e7f67dbdfab548290c4f7
Ubuntu Security Notice USN-6321-1
Posted Aug 31, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6321-1 - Daniel Moghimi discovered that some Intel Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. Tavis Ormandy discovered that some AMD processors did not properly handle speculative execution of certain vector register instructions. A local attacker could use this to expose sensitive information.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2022-40982, CVE-2023-20593, CVE-2023-3609, CVE-2023-3610, CVE-2023-3611, CVE-2023-3776, CVE-2023-3777, CVE-2023-3995, CVE-2023-4004, CVE-2023-4015
SHA-256 | 1d629b070b7634bff1f72ea8b938d3be648a4d6ec0907851c41c3d3277248fcf
Ubuntu Security Notice USN-6318-1
Posted Aug 30, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6318-1 - Daniel Moghimi discovered that some Intel Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. Tavis Ormandy discovered that some AMD processors did not properly handle speculative execution of certain vector register instructions. A local attacker could use this to expose sensitive information.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2022-40982, CVE-2023-20593, CVE-2023-3609, CVE-2023-3610, CVE-2023-3611, CVE-2023-3776, CVE-2023-3777, CVE-2023-3995, CVE-2023-4004, CVE-2023-4015
SHA-256 | 1b7bbe8779efdf714318dc0d4a82b27e5611d839a9924800d8d0dbcd7ea7ca73
Ubuntu Security Notice USN-6316-1
Posted Aug 30, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6316-1 - Daniel Moghimi discovered that some Intel Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. Tavis Ormandy discovered that some AMD processors did not properly handle speculative execution of certain vector register instructions. A local attacker could use this to expose sensitive information.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2022-40982, CVE-2023-20593, CVE-2023-3777, CVE-2023-3995, CVE-2023-4004, CVE-2023-4015
SHA-256 | c4c9a23e316d26047a6db3093dd14fc8354a59af890d65bbbcff901cc0546675
Ubuntu Security Notice USN-6315-1
Posted Aug 30, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6315-1 - Daniel Moghimi discovered that some Intel Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. Tavis Ormandy discovered that some AMD processors did not properly handle speculative execution of certain vector register instructions. A local attacker could use this to expose sensitive information.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2022-40982, CVE-2023-20593, CVE-2023-21400, CVE-2023-3609, CVE-2023-3610, CVE-2023-3611, CVE-2023-3776, CVE-2023-3777, CVE-2023-3995, CVE-2023-4004, CVE-2023-4015
SHA-256 | 873c4cefd57f45a1c8bc078ea3edde1dcdd2a6df91f90b68d4e4fd025a0371b4
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