VDB
CVE-2020-35519
CVE-2020-35519
PUBLISHED
An out-of-bounds (OOB) memory access flaw was found in x25_bind in net/x25/af_x25.c in the Linux kernel version v5.12-rc5. A bounds check failure allows a local attacker with a user account on the system to gain access to out-of-bounds memory, leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
EPSS 0.11% · 29.4th percentile
Risk Scores
EPSS Score
0.11%
29.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | linux-aws-hwe | 4.15.0-1073.77~16.04.1, 4.15.0-1056.58~16.04.1, 4.15.0-1057.59~16.04.1 |
| Ubuntu:Pro:FIPS-updates:20.04:LTS | linux-azure-fips | 5.4.0-1022.22+fips1, 0 |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-gcp-fips | 4.15.0-1001.1, 0 |
| Ubuntu:16.04:LTS | linux-aws | 4.4.0-1075.85, 4.4.0-1043.52, 4.4.0-1070.80 |
| Ubuntu:20.04:LTS | linux-riscv-5.8 | 5.8.0-16.18~20.04.1, 0, 5.8.0-14.16~20.04.1 |
| Ubuntu:22.04:LTS | linux-realtime | 0, 5.15.0-1032.35 |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-fips | 4.15.0-1051.59, 4.15.0-1052.60, 4.15.0-1045.52 |
| Ubuntu:18.04:LTS | linux-hwe-edge | *, 5.0.0-16.17~18.04.1, 5.0.0-17.18~18.04.1 |
| Ubuntu:Pro:FIPS-updates:20.04:LTS | linux-gcp-fips | 5.4.0-1021.21+fips1, 0 |
| Ubuntu:18.04:LTS | linux-aws-5.0 | 5.0.0-1025.28, 5.0.0-1027.30, * |
| Ubuntu:18.04:LTS | linux-oracle-5.0 | 5.0.0-1014.19, 5.0.0-1011.16, 5.0.0-1010.15~18.04.1 |
| Ubuntu:18.04:LTS | linux-azure-4.15 | 4.15.0-1104.116, 4.15.0-1096.106, 0 |
| Ubuntu:18.04:LTS | linux-azure-5.4 | 5.4.0-1034.35~18.04.1, 5.4.0-1032.33~18.04.1, 5.4.0-1031.32~18.04.1 |
| Ubuntu:16.04:LTS | linux | 4.4.0-157.185, 4.4.0-140.166, 4.4.0-176.206 |
| Ubuntu:18.04:LTS | linux-aws-5.4 | 5.4.0-1029.30~18.04.1, *, 5.4.0-1030.31~18.04.1 |
| Ubuntu:18.04:LTS | linux-gcp-4.15 | 4.15.0-1087.100, 4.15.0-1090.103, 4.15.0-1092.105 |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-fips | 0, 4.15.0-1011.12 |
| Ubuntu:Pro:FIPS:20.04:LTS | linux-azure-fips | 5.4.0-1022.22+fips1, 0 |
| Ubuntu:18.04:LTS | linux-oem | 4.15.0-1067.77, 4.15.0-1038.43, 4.15.0-1059.68 |
| Ubuntu:Pro:14.04:LTS | linux-lts-xenial | 4.4.0-59.80~14.04.1, 4.4.0-63.84~14.04.2, 4.4.0-66.87~14.04.1 |
…and 57 more
Exploit Intelligence
- CVE-2021-3493.yara (github-yara)
- CVE-2021-3493.yara (github-yara)
- CVE-2021-3493.yara (github-yara)
- CVE-2021-3493.yara (github-yara)
- CVE-2021-3493.yara (github-yara)
- CVE-2021-3493.yara (github-yara)
Timeline
- Mar 18, 2021 CVE Published
- May 7, 2021 EPSS Score
- Jul 10, 2021 EPSS Score
- Sep 10, 2021 EPSS Score
- Nov 11, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Mar 15, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 16, 2022 EPSS Score
- Jul 18, 2022 EPSS Score
- Sep 17, 2022 EPSS Score
- Nov 18, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-35519 third-party-advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6ee50c8e262a0f0693dad264c3c99e30e6442a56 third-party-advisory
- https://seclists.org/oss-sec/2021/q1/228 third-party-advisory
- https://ubuntu.com/security/notices/USN-4947-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-35519 third-party-advisory