01 Record
CVE-2022-49977
ftrace: Fix NULL pointer dereference in is_ftrace_trampoline when ftrace is dead
HighPUBLISHEDCNA: Linux
CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
02 Description
ftrace: Fix NULL pointer dereference in is_ftrace_trampoline when ftrace is dead
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.26% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 18.2% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-08-04.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
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
- 2025-06-18 11:00Z1 YR AGO
- Last updated
- 2026-08-05 08:56Z2 MO AGO
- Reserved
- 2025-06-18
- Assigning CNA
- Linux
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.8)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- Data version
- 5.2
- Document digest
- 3a49654c3c5fb302d9961ac13e7c96972eebe27938638f775b2d741a0eaac86a
05 Affected products
VendorProductVersionsPlatforms
LinuxLinux8a56d7761d2d041ae5e8215d20b4167d8aa93f51 to < 8569b4ada1e0b9bfaa125bd0c0967918b6560fa2, 8a56d7761d2d041ae5e8215d20b4167d8aa93f51 to < 4c34a2a6c9927c239dd2e295a03d49b37b618d2c, 8a56d7761d2d041ae5e8215d20b4167d8aa93f51 to < ddffe882d74ef43a3494f0ab0c24baf076c45f96, 8a56d7761d2d041ae5e8215d20b4167d8aa93f51 to < 934e49f7d696afdae9f979abe3f308408184e17b, 8a56d7761d2d041ae5e8215d20b4167d8aa93f51 to < dbd8c8fc60480e3faa3ae7e27ebe03371ecd1b77, 8a56d7761d2d041ae5e8215d20b4167d8aa93f51 to < e4ae97295984ff1b9b340ed18ae1b066f36b7835, 8a56d7761d2d041ae5e8215d20b4167d8aa93f51 to < d81bd6671f45fde4c3ac7fd7733c6e3082ae9d8e, 8a56d7761d2d041ae5e8215d20b4167d8aa93f51 to < c3b0f72e805f0801f05fa2aa52011c4bfc694c44, 969a08e9048ddd0d655a19e692673cdb95116ce6, 51d351d5b949ae7204696ada7ef502ed34d34fb0, 2940c25bec92f40a3f7f32504b8ea115d1701892, 189f4e672fc1c086f78818affc810ef29dda42a3, 3.2.54 to < 3.3, 3.4.72 to < 3.5, 3.10.22 to < 3.11, 3.12.3 to < 3.13, 3.13—
06 References
- git.kernel.orghttps://git.kernel.org/stable/c/8569b4ada1e0b9bfaa125bd0c0967918b6560fa2
- git.kernel.orghttps://git.kernel.org/stable/c/4c34a2a6c9927c239dd2e295a03d49b37b618d2c
- git.kernel.orghttps://git.kernel.org/stable/c/ddffe882d74ef43a3494f0ab0c24baf076c45f96
- git.kernel.orghttps://git.kernel.org/stable/c/934e49f7d696afdae9f979abe3f308408184e17b
- git.kernel.orghttps://git.kernel.org/stable/c/dbd8c8fc60480e3faa3ae7e27ebe03371ecd1b77
- git.kernel.orghttps://git.kernel.org/stable/c/e4ae97295984ff1b9b340ed18ae1b066f36b7835
- git.kernel.orghttps://git.kernel.org/stable/c/d81bd6671f45fde4c3ac7fd7733c6e3082ae9d8e
- git.kernel.orghttps://git.kernel.org/stable/c/c3b0f72e805f0801f05fa2aa52011c4bfc694c44
07 Fixed in
AlmaLinux 8
- bpftool Fixed in 4.18.0-553.64.1.el8_10
- kernel Fixed in 4.18.0-553.64.1.el8_10
- kernel-abi-stablelists Fixed in 4.18.0-553.64.1.el8_10
- kernel-core Fixed in 4.18.0-553.64.1.el8_10
- kernel-cross-headers Fixed in 4.18.0-553.64.1.el8_10
- kernel-debug Fixed in 4.18.0-553.64.1.el8_10
- kernel-debug-core Fixed in 4.18.0-553.64.1.el8_10
- kernel-debug-devel Fixed in 4.18.0-553.64.1.el8_10
- kernel-debug-modules Fixed in 4.18.0-553.64.1.el8_10
- kernel-debug-modules-extra Fixed in 4.18.0-553.64.1.el8_10
- kernel-devel Fixed in 4.18.0-553.64.1.el8_10
- kernel-doc Fixed in 4.18.0-553.64.1.el8_10
- kernel-headers Fixed in 4.18.0-553.64.1.el8_10
- kernel-modules Fixed in 4.18.0-553.64.1.el8_10
- kernel-modules-extra Fixed in 4.18.0-553.64.1.el8_10
- kernel-rt Fixed in 4.18.0-553.64.1.rt7.405.el8_10
- kernel-rt-core Fixed in 4.18.0-553.64.1.rt7.405.el8_10
- kernel-rt-debug Fixed in 4.18.0-553.64.1.rt7.405.el8_10
- kernel-rt-debug-core Fixed in 4.18.0-553.64.1.rt7.405.el8_10
- kernel-rt-debug-devel Fixed in 4.18.0-553.64.1.rt7.405.el8_10
- kernel-rt-debug-modules Fixed in 4.18.0-553.64.1.rt7.405.el8_10
- kernel-rt-debug-modules-extra Fixed in 4.18.0-553.64.1.rt7.405.el8_10
- kernel-rt-devel Fixed in 4.18.0-553.64.1.rt7.405.el8_10
- kernel-rt-modules Fixed in 4.18.0-553.64.1.rt7.405.el8_10
- kernel-rt-modules-extra Fixed in 4.18.0-553.64.1.rt7.405.el8_10
- kernel-tools Fixed in 4.18.0-553.64.1.el8_10
- kernel-tools-libs Fixed in 4.18.0-553.64.1.el8_10
- kernel-tools-libs-devel Fixed in 4.18.0-553.64.1.el8_10
- kernel-zfcpdump Fixed in 4.18.0-553.64.1.el8_10
- kernel-zfcpdump-core Fixed in 4.18.0-553.64.1.el8_10
- kernel-zfcpdump-devel Fixed in 4.18.0-553.64.1.el8_10
- kernel-zfcpdump-modules Fixed in 4.18.0-553.64.1.el8_10
- kernel-zfcpdump-modules-extra Fixed in 4.18.0-553.64.1.el8_10
- perf Fixed in 4.18.0-553.64.1.el8_10
- python3-perf Fixed in 4.18.0-553.64.1.el8_10
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 8
- bpftool Fixed in 4.18.0-553.64.1.el8_10
- kernel Fixed in 4.18.0-553.64.1.el8_10
- kernel-abi-stablelists Fixed in 4.18.0-553.64.1.el8_10
- kernel-core Fixed in 4.18.0-553.64.1.el8_10
- kernel-cross-headers Fixed in 4.18.0-553.64.1.el8_10
- kernel-debug Fixed in 4.18.0-553.64.1.el8_10
- kernel-debug-core Fixed in 4.18.0-553.64.1.el8_10
- kernel-debug-devel Fixed in 4.18.0-553.64.1.el8_10
- kernel-debug-modules Fixed in 4.18.0-553.64.1.el8_10
- kernel-debug-modules-extra Fixed in 4.18.0-553.64.1.el8_10
- kernel-devel Fixed in 4.18.0-553.64.1.el8_10
- kernel-doc Fixed in 4.18.0-553.64.1.el8_10
- kernel-headers Fixed in 4.18.0-553.64.1.el8_10
- kernel-modules Fixed in 4.18.0-553.64.1.el8_10
- kernel-modules-extra Fixed in 4.18.0-553.64.1.el8_10
- kernel-rt Fixed in 4.18.0-553.64.1.rt7.405.el8_10
- kernel-rt-core Fixed in 4.18.0-553.64.1.rt7.405.el8_10
- kernel-rt-debug Fixed in 4.18.0-553.64.1.rt7.405.el8_10
- kernel-rt-debug-core Fixed in 4.18.0-553.64.1.rt7.405.el8_10
- kernel-rt-debug-devel Fixed in 4.18.0-553.64.1.rt7.405.el8_10
- kernel-rt-debug-modules Fixed in 4.18.0-553.64.1.rt7.405.el8_10
- kernel-rt-debug-modules-extra Fixed in 4.18.0-553.64.1.rt7.405.el8_10
- kernel-rt-devel Fixed in 4.18.0-553.64.1.rt7.405.el8_10
- kernel-rt-modules Fixed in 4.18.0-553.64.1.rt7.405.el8_10
- kernel-rt-modules-extra Fixed in 4.18.0-553.64.1.rt7.405.el8_10
- kernel-tools Fixed in 4.18.0-553.64.1.el8_10
- kernel-tools-libs Fixed in 4.18.0-553.64.1.el8_10
- kernel-tools-libs-devel Fixed in 4.18.0-553.64.1.el8_10
- kernel-zfcpdump Fixed in 4.18.0-553.64.1.el8_10
- kernel-zfcpdump-core Fixed in 4.18.0-553.64.1.el8_10
- kernel-zfcpdump-devel Fixed in 4.18.0-553.64.1.el8_10
- kernel-zfcpdump-modules Fixed in 4.18.0-553.64.1.el8_10
- kernel-zfcpdump-modules-extra Fixed in 4.18.0-553.64.1.el8_10
- perf Fixed in 4.18.0-553.64.1.el8_10
- python3-perf Fixed in 4.18.0-553.64.1.el8_10
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- linux Fixed in 6.0.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- linux Fixed in 6.0.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- linux Fixed in 6.0.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- linux-hwe-edge No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- linux Fixed in 4.15.0-201.212
- linux-aws Fixed in 4.15.0-1147.159
- linux-aws-5.0 No fix yet
- linux-aws-5.3 No fix yet
- linux-aws-5.4 Fixed in 5.4.0-1089.97~18.04.1
- linux-azure No fix yet
- linux-azure-4.15 Fixed in 4.15.0-1158.173
- linux-azure-5.3 No fix yet
- linux-azure-5.4 Fixed in 5.4.0-1095.101~18.04.1
- linux-azure-edge No fix yet
- linux-gcp No fix yet
- linux-gcp-4.15 Fixed in 4.15.0-1142.158
- linux-gcp-5.3 No fix yet
- linux-gcp-5.4 Fixed in 5.4.0-1093.102~18.04.1
- linux-gke-4.15 No fix yet
- linux-gke-5.4 No fix yet
- linux-gkeop-5.4 No fix yet
- linux-hwe No fix yet
- linux-hwe-5.4 Fixed in 5.4.0-132.148~18.04.1
- linux-hwe-edge No fix yet
- linux-ibm-5.4 Fixed in 5.4.0-1037.42~18.04.1
- linux-kvm Fixed in 4.15.0-1133.138
- linux-oem No fix yet
- linux-oracle Fixed in 4.15.0-1112.123
- linux-oracle-5.0 No fix yet
- linux-oracle-5.3 No fix yet
- linux-oracle-5.4 Fixed in 5.4.0-1087.96~18.04.1
- linux-raspi-5.4 Fixed in 5.4.0-1074.85~18.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- linux Fixed in 5.4.0-132.148
- linux-aws Fixed in 5.4.0-1089.97
- linux-aws-5.11 No fix yet
- linux-aws-5.13 No fix yet
- linux-aws-5.15 Fixed in 5.15.0-1027.31~20.04.1
- linux-aws-5.8 No fix yet
- linux-azure Fixed in 5.4.0-1095.101
- linux-azure-5.11 No fix yet
- linux-azure-5.13 No fix yet
- linux-azure-5.15 Fixed in 5.15.0-1030.37~20.04.1
- linux-azure-5.8 No fix yet
- linux-azure-fde No fix yet
- linux-bluefield Fixed in 5.4.0-1050.56
- linux-gcp Fixed in 5.4.0-1093.102
- linux-gcp-5.11 No fix yet
- linux-gcp-5.13 No fix yet
- linux-gcp-5.15 Fixed in 5.15.0-1027.34~20.04.1
- linux-gcp-5.8 No fix yet
- linux-gke No fix yet
- linux-gke-5.15 No fix yet
- linux-gkeop No fix yet
- linux-gkeop-5.15 No fix yet
- linux-hwe-5.11 No fix yet
- linux-hwe-5.13 No fix yet
- linux-hwe-5.15 Fixed in 5.15.0-57.63~20.04.1
- linux-hwe-5.8 No fix yet
- linux-ibm Fixed in 5.4.0-1037.42
- linux-intel-5.13 No fix yet
- linux-intel-iotg-5.15 Fixed in 5.15.0-1023.28~20.04.1
- linux-iot Fixed in 5.4.0-1006.8
- linux-kvm Fixed in 5.4.0-1079.85
- linux-lowlatency-hwe-5.15 Fixed in 5.15.0-58.64~20.04.1
- linux-oem-5.10 No fix yet
- linux-oem-5.13 No fix yet
- linux-oem-5.14 No fix yet
- linux-oem-5.6 No fix yet
- linux-oracle Fixed in 5.4.0-1087.96
- linux-oracle-5.11 No fix yet
- linux-oracle-5.13 No fix yet
- linux-oracle-5.15 Fixed in 5.15.0-1027.33~20.04.1
7 further packages in Ubuntu 20.04 LTS not shown (first 40 listed).
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- linux Fixed in 5.15.0-57.63
- linux-allwinner-5.19 No fix yet
- linux-aws Fixed in 5.15.0-1027.31
- linux-aws-5.19 No fix yet
- linux-aws-6.2 No fix yet
- linux-aws-6.5 No fix yet
- linux-azure Fixed in 5.15.0-1030.37
- linux-azure-5.19 No fix yet
- linux-azure-6.2 No fix yet
- linux-azure-6.5 No fix yet
- linux-azure-fde Fixed in 5.15.0-1030.37.1
- linux-azure-fde-5.19 No fix yet
- linux-azure-fde-6.2 No fix yet
- linux-gcp Fixed in 5.15.0-1026.33
- linux-gcp-5.19 No fix yet
- linux-gcp-6.2 No fix yet
- linux-gcp-6.5 No fix yet
- linux-gke Fixed in 5.15.0-1024.29
- linux-gkeop Fixed in 5.15.0-1012.16
- linux-hwe-5.19 No fix yet
- linux-hwe-6.2 No fix yet
- linux-hwe-6.5 No fix yet
- linux-ibm Fixed in 5.15.0-1022.25
- linux-intel-iot-realtime No fix yet
- linux-intel-iotg Fixed in 5.15.0-1023.28
- linux-kvm Fixed in 5.15.0-1025.30
- linux-lowlatency Fixed in 5.15.0-57.63
- linux-lowlatency-hwe-5.19 No fix yet
- linux-lowlatency-hwe-6.2 No fix yet
- linux-lowlatency-hwe-6.5 No fix yet
- linux-nvidia Fixed in 5.15.0-1015.15
- linux-nvidia-6.2 No fix yet
- linux-nvidia-6.5 No fix yet
- linux-oem-5.17 No fix yet
- linux-oem-6.0 No fix yet
- linux-oem-6.1 No fix yet
- linux-oem-6.5 No fix yet
- linux-oracle Fixed in 5.15.0-1026.32
- linux-oracle-6.5 No fix yet
- linux-raspi Fixed in 5.15.0-1022.24
7 further packages in Ubuntu 22.04 LTS not shown (first 40 listed).
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- linux-raspi-realtime No fix yet
- linux-realtime No fix yet
- linux-riscv No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- linux No fix yet
- linux-aws No fix yet
- linux-azure Fixed in 4.15.0-1158.173~14.04.1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- linux-lts-xenial No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- linux No fix yet
- linux-aws No fix yet
- linux-aws-hwe Fixed in 4.15.0-1147.159~16.04.1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- linux-azure Fixed in 4.15.0-1159.174~16.04.1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- linux-gcp Fixed in 4.15.0-1142.158~16.04.1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- linux-hwe Fixed in 4.15.0-201.212~16.04.1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- linux-kvm No fix yet
- linux-oracle Fixed in 4.15.0-1112.123~16.04.1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro FIPS-updates 16.04 LTS
- linux-fips No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro FIPS-updates 18.04 LTS
- linux-aws-fips Fixed in 4.15.0-2087.93Available with Ubuntu Pro: https://ubuntu.com/pro
- linux-azure-fips Fixed in 4.15.0-2067.73Available with Ubuntu Pro: https://ubuntu.com/pro
- linux-fips Fixed in 4.15.0-1104.115Available with Ubuntu Pro: https://ubuntu.com/pro
- linux-gcp-fips Fixed in 4.15.0-2052.57Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro FIPS-updates 20.04 LTS
- linux-aws-fips Fixed in 5.4.0-1089.97+fips1Available with Ubuntu Pro: https://ubuntu.com/pro
- linux-azure-fips Fixed in 5.4.0-1095.101+fips1Available with Ubuntu Pro: https://ubuntu.com/pro
- linux-fips Fixed in 5.4.0-1065.74Available with Ubuntu Pro: https://ubuntu.com/pro
- linux-gcp-fips Fixed in 5.4.0-1093.102+fips1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro FIPS 16.04 LTS
- linux-fips No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro FIPS 18.04 LTS
- linux-aws-fips No fix yet
- linux-azure-fips No fix yet
- linux-fips No fix yet
- linux-gcp-fips No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro FIPS 20.04 LTS
- linux-aws-fips No fix yet
- linux-azure-fips No fix yet
- linux-fips No fix yet
- linux-gcp-fips No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro Realtime 22.04 LTS
- linux-realtime Fixed in 5.15.0-1029.32Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.