⚠ Actively exploited in ransomware campaigns
This vulnerability is on the CISA Known Exploited Vulnerabilities list and has been used in known ransomware attacks. CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.. Due date: 2024-09-30.
CVE-2017-1000253 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Kernel
CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer14 documents12 sources
Severity
7.8HIGHNVD
EPSS
54.2%
top 1.97%
CISA KEV
KEVRansomware
Added 2024-09-09
Due 2024-09-30
Exploit
Exploited in wild
Active exploitation observed
Affected products
Timeline
PublishedOct 5
KEV addedSep 9
KEV dueSep 30
Latest updateFeb 2
CISA Required Action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description
Linux distributions that have not patched their long-term kernels with https://git.kernel.org/linus/a87938b2e246b81b4fb713edb371a9fa3c5c3c86 (committed on April 14, 2015). This kernel vulnerability was fixed in April 2015 by commit a87938b2e246b81b4fb713edb371a9fa3c5c3c86 (backported to Linux 3.10.77 in May 2015), but it was not recognized as a security threat. With CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE enabled, and a normal top-down address allocation strategy, load_elf_binary() will attempt to …
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages4 packages
Also affects: Enterprise Linux 6.0, 6.1, 6.2, 6.3, 6.4, 6.5, 6.6, 6.7, 6.8, 6.9, 7.0, 7.1, 7.2, 7.3
Patches
🔴Vulnerability Details
5💥Exploits & PoCs
1Exploit-DB▶
Linux Kernel 3.10.0-514.21.2.el7.x86_64 / 3.10.0-514.26.1.el7.x86_64 (CentOS 7) - SUID Position Independent Executable 'PIE' Local Privilege Escalation↗2017-09-26
📋Vendor Advisories
3🕵️Threat Intelligence
3💬Community
1Bugzilla▶
CVE-2017-1000253 kernel: load_elf_ binary() does not take account of the need to allocate sufficient space for the entire binary↗2017-09-15