CVE 2021-33910
basic/unit-name.c in systemd prior to 246.15, 247.8, 248.5, and 249.1 has a Memory Allocation with an Excessive Size Value (involving strdupa and alloca for a pathname controlled by a local attacker) that results in an operating system crash.
Related bugs and status
CVE-2021-33910 (Candidate) is related to these bugs:
Bug #1853164: systemd: /etc/dhcp/dhclient-enter-hooks.d/resolved error
| Summary | In | Importance | Status | |||
|---|---|---|---|---|---|---|
| 1853164 | systemd: /etc/dhcp/dhclient-enter-hooks.d/resolved error | systemd (Ubuntu) | Low | Fix Released | ||
| 1853164 | systemd: /etc/dhcp/dhclient-enter-hooks.d/resolved error | systemd (Ubuntu Focal) | Low | Fix Released | ||
| 1853164 | systemd: /etc/dhcp/dhclient-enter-hooks.d/resolved error | systemd (Ubuntu Bionic) | Low | Fix Released | ||
Bug #1858210: timedatectl doesn't list all timezones
| Summary | In | Importance | Status | |||
|---|---|---|---|---|---|---|
| 1858210 | timedatectl doesn't list all timezones | systemd (Ubuntu) | Wishlist | Fix Released | ||
| 1858210 | timedatectl doesn't list all timezones | systemd (Ubuntu Hirsute) | Wishlist | Fix Released | ||
| 1858210 | timedatectl doesn't list all timezones | systemd (Ubuntu Focal) | Wishlist | Fix Released | ||
| 1858210 | timedatectl doesn't list all timezones | systemd (Ubuntu Impish) | Wishlist | Fix Released | ||
| 1858210 | timedatectl doesn't list all timezones | systemd (Ubuntu Groovy) | Wishlist | Fix Released | ||
| 1858210 | timedatectl doesn't list all timezones | systemd (Ubuntu Bionic) | Undecided | Won't Fix | ||
Bug #1891215: systemd-resolved re-creates /run/systemd/resolve/*resolv.conf for every IPv6 RA received
| Summary | In | Importance | Status | |||
|---|---|---|---|---|---|---|
| 1891215 | systemd-resolved re-creates /run/systemd/resolve/*resolv.conf for every IPv6 RA received | systemd (Ubuntu) | Low | Fix Released | ||
| 1891215 | systemd-resolved re-creates /run/systemd/resolve/*resolv.conf for every IPv6 RA received | systemd | Unknown | Unknown | ||
| 1891215 | systemd-resolved re-creates /run/systemd/resolve/*resolv.conf for every IPv6 RA received | systemd (Ubuntu Hirsute) | Wishlist | Fix Released | ||
| 1891215 | systemd-resolved re-creates /run/systemd/resolve/*resolv.conf for every IPv6 RA received | systemd (Ubuntu Focal) | Wishlist | Fix Released | ||
| 1891215 | systemd-resolved re-creates /run/systemd/resolve/*resolv.conf for every IPv6 RA received | systemd (Ubuntu Groovy) | Wishlist | Fix Released | ||
| 1891215 | systemd-resolved re-creates /run/systemd/resolve/*resolv.conf for every IPv6 RA received | systemd (Ubuntu Bionic) | Wishlist | Won't Fix | ||
Bug #1894622: Missing manpage for systemd-resolve
| Summary | In | Importance | Status | |||
|---|---|---|---|---|---|---|
| 1894622 | Missing manpage for systemd-resolve | systemd (Ubuntu) | Wishlist | Fix Released | ||
| 1894622 | Missing manpage for systemd-resolve | systemd (Ubuntu Groovy) | Wishlist | Fix Released | ||
| 1894622 | Missing manpage for systemd-resolve | systemd (Ubuntu Hirsute) | Wishlist | Fix Released | ||
| 1894622 | Missing manpage for systemd-resolve | systemd (Ubuntu Impish) | Wishlist | Fix Released | ||
| 1894622 | Missing manpage for systemd-resolve | systemd (Ubuntu Focal) | Wishlist | Fix Released | ||
Bug #1925827: [v247] backport routing policy rule fix
| Summary | In | Importance | Status | |||
|---|---|---|---|---|---|---|
| 1925827 | [v247] backport routing policy rule fix | systemd (Ubuntu) | Undecided | Fix Released | ||
| 1925827 | [v247] backport routing policy rule fix | systemd (Ubuntu Hirsute) | Low | Fix Released | ||
Bug #1928200: Prompt error message "Failed to unmount /oldroot" when shutdown or reboot
| Summary | In | Importance | Status | |||
|---|---|---|---|---|---|---|
| 1928200 | Prompt error message "Failed to unmount /oldroot" when shutdown or reboot | systemd (Ubuntu) | Undecided | Fix Released | ||
| 1928200 | Prompt error message "Failed to unmount /oldroot" when shutdown or reboot | OEM Priority Project | High | Fix Released | ||
| 1928200 | Prompt error message "Failed to unmount /oldroot" when shutdown or reboot | systemd (Ubuntu Focal) | High | Fix Released | ||
Bug #1930910: Fix micmute hotkeys on HP ProBooks
| Summary | In | Importance | Status | |||
|---|---|---|---|---|---|---|
| 1930910 | Fix micmute hotkeys on HP ProBooks | systemd (Ubuntu) | Low | Fix Released | ||
| 1930910 | Fix micmute hotkeys on HP ProBooks | HWE Next | Undecided | Fix Released | ||
| 1930910 | Fix micmute hotkeys on HP ProBooks | OEM Priority Project | Critical | Fix Released | ||
| 1930910 | Fix micmute hotkeys on HP ProBooks | systemd (Ubuntu Impish) | Low | Fix Released | ||
| 1930910 | Fix micmute hotkeys on HP ProBooks | systemd (Ubuntu Focal) | Low | Fix Released | ||
| 1930910 | Fix micmute hotkeys on HP ProBooks | systemd (Ubuntu Hirsute) | Low | Fix Released | ||
| 1930910 | Fix micmute hotkeys on HP ProBooks | systemd (Ubuntu Groovy) | Low | Fix Released | ||
Bug #1931578: ActivationPolicy=down causes delay at boot
| Summary | In | Importance | Status | |||
|---|---|---|---|---|---|---|
| 1931578 | ActivationPolicy=down causes delay at boot | systemd (Ubuntu) | Low | Fix Released | ||
| 1931578 | ActivationPolicy=down causes delay at boot | systemd (Ubuntu Hirsute) | Low | Fix Released | ||
| 1931578 | ActivationPolicy=down causes delay at boot | systemd (Ubuntu Focal) | Low | Fix Released | ||
| 1931578 | ActivationPolicy=down causes delay at boot | systemd (Ubuntu Impish) | Low | Fix Released | ||
| 1931578 | ActivationPolicy=down causes delay at boot | systemd (Ubuntu Bionic) | Low | Won't Fix | ||
| 1931578 | ActivationPolicy=down causes delay at boot | systemd (Ubuntu Groovy) | Low | Fix Released | ||
Bug #1932352: Fix micmute hotkeys on HP Elite Dragonfly
| Summary | In | Importance | Status | |||
|---|---|---|---|---|---|---|
| 1932352 | Fix micmute hotkeys on HP Elite Dragonfly | systemd (Ubuntu) | Low | Fix Released | ||
| 1932352 | Fix micmute hotkeys on HP Elite Dragonfly | OEM Priority Project | Critical | Fix Released | ||
| 1932352 | Fix micmute hotkeys on HP Elite Dragonfly | systemd (Ubuntu Impish) | Low | Fix Released | ||
| 1932352 | Fix micmute hotkeys on HP Elite Dragonfly | systemd (Ubuntu Focal) | Low | Fix Released | ||
| 1932352 | Fix micmute hotkeys on HP Elite Dragonfly | systemd (Ubuntu Hirsute) | Low | Fix Released | ||
| 1932352 | Fix micmute hotkeys on HP Elite Dragonfly | systemd (Ubuntu Groovy) | Low | Fix Released | ||
Bug #1933402: net card set VF and altname display blurred character
| Summary | In | Importance | Status | |||
|---|---|---|---|---|---|---|
| 1933402 | net card set VF and altname display blurred character | kunpeng920 | Undecided | Fix Released | ||
| 1933402 | net card set VF and altname display blurred character | kunpeng920 ubuntu-20.04-hwe | Undecided | Fix Released | ||
| 1933402 | net card set VF and altname display blurred character | systemd (Ubuntu) | Undecided | Fix Released | ||
| 1933402 | net card set VF and altname display blurred character | systemd (Ubuntu Focal) | Undecided | Fix Released | ||
| 1933402 | net card set VF and altname display blurred character | systemd (Ubuntu Groovy) | Undecided | Fix Released | ||
| 1933402 | net card set VF and altname display blurred character | systemd (Ubuntu Hirsute) | Undecided | Fix Released | ||
| 1933402 | net card set VF and altname display blurred character | systemd (Ubuntu Impish) | Undecided | Fix Released | ||
Bug #1943561: Add ACCEL_LOCATION=base property for 6 Dell clamshell models
| Summary | In | Importance | Status | |||
|---|---|---|---|---|---|---|
| 1943561 | Add ACCEL_LOCATION=base property for 6 Dell clamshell models | systemd (Ubuntu) | Medium | Fix Released | ||
| 1943561 | Add ACCEL_LOCATION=base property for 6 Dell clamshell models | OEM Priority Project | Undecided | New | ||
| 1943561 | Add ACCEL_LOCATION=base property for 6 Dell clamshell models | systemd (Ubuntu Impish) | Medium | Fix Released | ||
| 1943561 | Add ACCEL_LOCATION=base property for 6 Dell clamshell models | systemd (Ubuntu Focal) | Medium | Fix Released | ||
| 1943561 | Add ACCEL_LOCATION=base property for 6 Dell clamshell models | systemd (Ubuntu Jammy) | Medium | Fix Released | ||
| 1943561 | Add ACCEL_LOCATION=base property for 6 Dell clamshell models | systemd (Ubuntu Hirsute) | Medium | Won't Fix | ||
Bug #1950508: unified cgroup incorrectly used in container on host with legacy/hybrid cgroup
| Summary | In | Importance | Status | |||
|---|---|---|---|---|---|---|
| 1950508 | unified cgroup incorrectly used in container on host with legacy/hybrid cgroup | systemd (Ubuntu) | Medium | Fix Released | ||
| 1950508 | unified cgroup incorrectly used in container on host with legacy/hybrid cgroup | systemd (Ubuntu Jammy) | Medium | Fix Released | ||
| 1950508 | unified cgroup incorrectly used in container on host with legacy/hybrid cgroup | systemd (Ubuntu Impish) | Medium | Won't Fix | ||
Bug #1950794: DHCPv4 (IAID+DUID) networking broken in LXC containers
| Summary | In | Importance | Status | |||
|---|---|---|---|---|---|---|
| 1950794 | DHCPv4 (IAID+DUID) networking broken in LXC containers | systemd (Ubuntu) | Undecided | Fix Released | ||
| 1950794 | DHCPv4 (IAID+DUID) networking broken in LXC containers | lxd (Ubuntu) | Undecided | New | ||
Bug #1952599: virt: Support detection for ARM64 Hyper-V guests (fixed upstream)
| Summary | In | Importance | Status | |||
|---|---|---|---|---|---|---|
| 1952599 | virt: Support detection for ARM64 Hyper-V guests (fixed upstream) | systemd (Ubuntu) | Undecided | Fix Released | ||
| 1952599 | virt: Support detection for ARM64 Hyper-V guests (fixed upstream) | systemd (Ubuntu Impish) | Undecided | Fix Released | ||
| 1952599 | virt: Support detection for ARM64 Hyper-V guests (fixed upstream) | systemd (Ubuntu Focal) | Undecided | Fix Released | ||
| 1952599 | virt: Support detection for ARM64 Hyper-V guests (fixed upstream) | systemd (Ubuntu Jammy) | Undecided | Fix Released | ||
| 1952599 | virt: Support detection for ARM64 Hyper-V guests (fixed upstream) | systemd (Ubuntu Hirsute) | Undecided | Won't Fix | ||
| 1952599 | virt: Support detection for ARM64 Hyper-V guests (fixed upstream) | systemd (Ubuntu Bionic) | Undecided | Fix Released | ||
Bug #1952733: Add Dell Privacy Mic Mute Key mapping for another Dell machine
| Summary | In | Importance | Status | |||
|---|---|---|---|---|---|---|
| 1952733 | Add Dell Privacy Mic Mute Key mapping for another Dell machine | systemd (Ubuntu) | Low | Fix Released | ||
| 1952733 | Add Dell Privacy Mic Mute Key mapping for another Dell machine | OEM Priority Project | Critical | Fix Released | ||
| 1952733 | Add Dell Privacy Mic Mute Key mapping for another Dell machine | systemd (Ubuntu Jammy) | Low | Fix Released | ||
| 1952733 | Add Dell Privacy Mic Mute Key mapping for another Dell machine | systemd (Ubuntu Hirsute) | Low | Won't Fix | ||
| 1952733 | Add Dell Privacy Mic Mute Key mapping for another Dell machine | systemd (Ubuntu Impish) | Low | Fix Released | ||
| 1952733 | Add Dell Privacy Mic Mute Key mapping for another Dell machine | systemd (Ubuntu Focal) | Low | Fix Released | ||
Bug #1952735: Add Microphone mute key mapping for Dell machine
| Summary | In | Importance | Status | |||
|---|---|---|---|---|---|---|
| 1952735 | Add Microphone mute key mapping for Dell machine | systemd (Ubuntu) | Low | Fix Released | ||
| 1952735 | Add Microphone mute key mapping for Dell machine | OEM Priority Project | Critical | Fix Released | ||
| 1952735 | Add Microphone mute key mapping for Dell machine | systemd (Ubuntu Impish) | Low | Fix Released | ||
| 1952735 | Add Microphone mute key mapping for Dell machine | systemd (Ubuntu Focal) | Low | Fix Released | ||
| 1952735 | Add Microphone mute key mapping for Dell machine | systemd (Ubuntu Jammy) | Low | Fix Released | ||
| 1952735 | Add Microphone mute key mapping for Dell machine | systemd (Ubuntu Hirsute) | Low | Won't Fix | ||
See the 
CVE page on Mitre.org
for more details.
