01 Record
CVE-2024-34455
Buildroot before 0b2967e lacks the sticky bit for the /dev/shm directory. A fix was released in 2024.02.2.
HighPUBLISHEDCNA: mitre
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
02 Description
Buildroot before 0b2967e lacks the sticky bit for the /dev/shm directory. A fix was released in 2024.02.2.
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.65% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 50.8% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Deferred. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2024-05-03 00:00Z2 YR AGO
- Last updated
- 2024-08-02 02:51Z2 YR AGO
- Reserved
- 2024-05-03
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-276Incorrect Default PermissionsBase
- Data version
- 5.1
- Document digest
- 24e15f59f33eeb5e0a28a4c891ba67c83adc6badf533ebd6cdbef02bd369ea55
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.openwall.comhttps://www.openwall.com/lists/oss-security/2024/04/11/13
- github.comhttps://github.com/buildroot/buildroot/commit/0b2967e15800421efbdfe3a7a6061cf6bd84134d
- www.openwall.com[oss-security] 20240506 Re: Buildroot: incorrect permissons on /dev/shmhttp://www.openwall.com/lists/oss-security/2024/05/06/2
- www.openwall.com[oss-security] 20240506 Re: [Buildroot] Buildroot: incorrect permissons on /dev/shmhttp://www.openwall.com/lists/oss-security/2024/05/06/4
- www.openwall.com[oss-security] 20240507 Re: Buildroot: incorrect permissons on /dev/shmhttp://www.openwall.com/lists/oss-security/2024/05/07/4