CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
5.1%
In the Linux kernel, the following vulnerability has been resolved: bpf:
Fix hashtab overflow check on 32-bit arches The hashtab code relies on
roundup_pow_of_two() to compute the number of hash buckets, and contains an
overflow check by checking if the resulting value is 0. However, on 32-bit
arches, the roundup code itself can overflow by doing a 32-bit left-shift
of an unsigned long value, which is undefined behaviour, so it is not
guaranteed to truncate neatly. This was triggered by syzbot on the
DEVMAP_HASH type, which contains the same check, copied from the hashtab
code. So apply the same fix to hashtab, by moving the overflow check to
before the roundup.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | linux | < 4.15.0-227.239 | UNKNOWN |
ubuntu | 20.04 | noarch | linux | < 5.4.0-189.209 | UNKNOWN |
ubuntu | 22.04 | noarch | linux | < 5.15.0-112.122 | UNKNOWN |
ubuntu | 24.04 | noarch | linux | < 6.8.0-35.35 | UNKNOWN |
ubuntu | 16.04 | noarch | linux | < any | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws | < 4.15.0-1170.183 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws | < 5.4.0-1128.138 | UNKNOWN |
ubuntu | 22.04 | noarch | linux-aws | < 5.15.0-1063.69 | UNKNOWN |
ubuntu | 24.04 | noarch | linux-aws | < 6.8.0-1009.9 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-aws | < any | UNKNOWN |
git.kernel.org/linus/6787d916c2cf9850c97a0a3f73e08c43e7d973b1 (6.9-rc1)
git.kernel.org/stable/c/33ec04cadb77605b71d9298311919303d390c4d5
git.kernel.org/stable/c/3b08cfc65f07b1132c1979d73f014ae6e04de55d
git.kernel.org/stable/c/64f00b4df0597590b199b62a37a165473bf658a6
git.kernel.org/stable/c/6787d916c2cf9850c97a0a3f73e08c43e7d973b1
git.kernel.org/stable/c/8435f0961bf3dc65e204094349bd9aeaac1f8868
git.kernel.org/stable/c/92c81fbb3ed2e0dfc33a4183a67135e1ab566ace
git.kernel.org/stable/c/a6fa75b5096c0f9826a4fabe22d907b0a5bb1016
git.kernel.org/stable/c/a83fdaeaea3677b83a53f72ace2d73a19bcd6d93
git.kernel.org/stable/c/d817f0d34d927f2deb17dadbfe212c9a6a32ac3e
launchpad.net/bugs/cve/CVE-2024-26884
nvd.nist.gov/vuln/detail/CVE-2024-26884
security-tracker.debian.org/tracker/CVE-2024-26884
ubuntu.com/security/notices/USN-6816-1
ubuntu.com/security/notices/USN-6817-1
ubuntu.com/security/notices/USN-6817-2
ubuntu.com/security/notices/USN-6817-3
ubuntu.com/security/notices/USN-6820-1
ubuntu.com/security/notices/USN-6820-2
ubuntu.com/security/notices/USN-6821-1
ubuntu.com/security/notices/USN-6821-2
ubuntu.com/security/notices/USN-6821-3
ubuntu.com/security/notices/USN-6821-4
ubuntu.com/security/notices/USN-6828-1
ubuntu.com/security/notices/USN-6871-1
ubuntu.com/security/notices/USN-6878-1
ubuntu.com/security/notices/USN-6892-1
ubuntu.com/security/notices/USN-6896-1
ubuntu.com/security/notices/USN-6896-2
ubuntu.com/security/notices/USN-6896-3
ubuntu.com/security/notices/USN-6896-4
ubuntu.com/security/notices/USN-6896-5
ubuntu.com/security/notices/USN-6919-1
ubuntu.com/security/notices/USN-6926-1
www.cve.org/CVERecord?id=CVE-2024-26884