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Some fixes available 15 of 16
A use-after-free flaw was found in X.Org and Xwayland. When changing an alarm, the values of the change mask are evaluated one after the other, changing the trigger values as requested, and eventually, SyncInitTrigger() is called....
7 affected packages
xorg, xorg-server, xwayland, xorg-server-hwe-16.04, xorg-server-hwe-18.04...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| xorg | Not affected | Not affected | Not affected | Not affected |
| xorg-server | Fixed | Fixed | Fixed | Fixed |
| xwayland | Fixed | Fixed | Not in release | — |
| xorg-server-hwe-16.04 | Not in release | Not in release | Not in release | — |
| xorg-server-hwe-18.04 | Not in release | Not in release | Not in release | Fixed |
| xorg-hwe-16.04 | Not in release | Not in release | Not in release | — |
| xorg-hwe-18.04 | Not in release | Not in release | Not in release | Not affected |
Some fixes available 15 of 16
A use-after-free flaw was found in X.Org and Xwayland. When a device is removed while still frozen, the events queued for that device remain while the device is freed. Replaying the events will cause a use-after-free.
7 affected packages
xorg, xorg-server, xwayland, xorg-server-hwe-16.04, xorg-server-hwe-18.04...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| xorg | Not affected | Not affected | Not affected | Not affected |
| xorg-server | Fixed | Fixed | Fixed | Fixed |
| xwayland | Fixed | Fixed | Not in release | — |
| xorg-server-hwe-16.04 | Not in release | Not in release | Not in release | — |
| xorg-server-hwe-18.04 | Not in release | Not in release | Not in release | Fixed |
| xorg-hwe-16.04 | Not in release | Not in release | Not in release | — |
| xorg-hwe-18.04 | Not in release | Not in release | Not in release | Not affected |
Some fixes available 15 of 16
An access to an uninitialized pointer flaw was found in X.Org and Xwayland. The function compCheckRedirect() may fail if it cannot allocate the backing pixmap. In that case, compRedirectWindow() will return a BadAlloc...
7 affected packages
xorg, xorg-server, xwayland, xorg-server-hwe-16.04, xorg-server-hwe-18.04...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| xorg | Not affected | Not affected | Not affected | Not affected |
| xorg-server | Fixed | Fixed | Fixed | Fixed |
| xwayland | Fixed | Fixed | Not in release | — |
| xorg-server-hwe-16.04 | Not in release | Not in release | Not in release | — |
| xorg-server-hwe-18.04 | Not in release | Not in release | Not in release | Fixed |
| xorg-hwe-16.04 | Not in release | Not in release | Not in release | — |
| xorg-hwe-18.04 | Not in release | Not in release | Not in release | Not affected |
Some fixes available 15 of 16
An out-of-bounds write flaw was found in X.Org and Xwayland. The function GetBarrierDevice() searches for the pointer device based on its device ID and returns the matching value, or supposedly NULL, if no match was...
7 affected packages
xorg, xorg-server, xwayland, xorg-server-hwe-16.04, xorg-server-hwe-18.04...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| xorg | Not affected | Not affected | Not affected | Not affected |
| xorg-server | Fixed | Fixed | Fixed | Fixed |
| xwayland | Fixed | Fixed | Not in release | — |
| xorg-server-hwe-16.04 | Not in release | Not in release | Not in release | — |
| xorg-server-hwe-18.04 | Not in release | Not in release | Not in release | Fixed |
| xorg-hwe-16.04 | Not in release | Not in release | Not in release | — |
| xorg-hwe-18.04 | Not in release | Not in release | Not in release | Not affected |
Some fixes available 15 of 16
A buffer overflow flaw was found in X.Org and Xwayland. If XkbChangeTypesOfKey() is called with a 0 group, it will resize the key symbols table to 0 but leave the key actions unchanged. If the same function is later called with a...
7 affected packages
xorg, xorg-server, xwayland, xorg-server-hwe-16.04, xorg-server-hwe-18.04...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| xorg | Not affected | Not affected | Not affected | Not affected |
| xorg-server | Fixed | Fixed | Fixed | Fixed |
| xwayland | Fixed | Fixed | Not in release | — |
| xorg-server-hwe-16.04 | Not in release | Not in release | Not in release | — |
| xorg-server-hwe-18.04 | Not in release | Not in release | Not in release | Fixed |
| xorg-hwe-16.04 | Not in release | Not in release | Not in release | — |
| xorg-hwe-18.04 | Not in release | Not in release | Not in release | Not affected |
Some fixes available 15 of 16
A heap overflow flaw was found in X.Org and Xwayland. The computation of the length in XkbSizeKeySyms() differs from what is written in XkbWriteKeySyms(), which may lead to a heap-based buffer overflow.
7 affected packages
xorg, xorg-server, xwayland, xorg-server-hwe-16.04, xorg-server-hwe-18.04...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| xorg | Not affected | Not affected | Not affected | Not affected |
| xorg-server | Fixed | Fixed | Fixed | Fixed |
| xwayland | Fixed | Fixed | Not in release | — |
| xorg-server-hwe-16.04 | Not in release | Not in release | Not in release | — |
| xorg-server-hwe-18.04 | Not in release | Not in release | Not in release | Fixed |
| xorg-hwe-16.04 | Not in release | Not in release | Not in release | — |
| xorg-hwe-18.04 | Not in release | Not in release | Not in release | Not affected |
Some fixes available 15 of 16
A buffer overflow flaw was found in X.Org and Xwayland. The code in XkbVModMaskText() allocates a fixed-sized buffer on the stack and copies the names of the virtual modifiers to that buffer. The code fails to check the bounds of...
7 affected packages
xorg, xorg-server, xwayland, xorg-server-hwe-16.04, xorg-server-hwe-18.04...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| xorg | Not affected | Not affected | Not affected | Not affected |
| xorg-server | Fixed | Fixed | Fixed | Fixed |
| xwayland | Fixed | Fixed | Not in release | — |
| xorg-server-hwe-16.04 | Not in release | Not in release | Not in release | — |
| xorg-server-hwe-18.04 | Not in release | Not in release | Not in release | Fixed |
| xorg-hwe-16.04 | Not in release | Not in release | Not in release | — |
| xorg-hwe-18.04 | Not in release | Not in release | Not in release | Not affected |
Some fixes available 15 of 16
A use-after-free flaw was found in X.Org and Xwayland. The root cursor is referenced in the X server as a global variable. If a client frees the root cursor, the internal reference points to freed memory and causes a use-after-free.
7 affected packages
xorg, xorg-server, xwayland, xorg-server-hwe-16.04, xorg-server-hwe-18.04...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| xorg | Not affected | Not affected | Not affected | Not affected |
| xorg-server | Fixed | Fixed | Fixed | Fixed |
| xwayland | Fixed | Fixed | Not in release | — |
| xorg-server-hwe-16.04 | Not in release | Not in release | Not in release | — |
| xorg-server-hwe-18.04 | Not in release | Not in release | Not in release | Fixed |
| xorg-hwe-16.04 | Not in release | Not in release | Not in release | — |
| xorg-hwe-18.04 | Not in release | Not in release | Not in release | Not affected |
Some fixes available 15 of 16
A flaw was found in the X.org server. Due to improperly tracked allocation size in _XkbSetCompatMap, a local attacker may be able to trigger a buffer overflow condition via a specially crafted payload, leading to denial of service...
7 affected packages
xorg, xorg-server, xwayland, xorg-server-hwe-16.04, xorg-server-hwe-18.04...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| xorg | Not affected | Not affected | Not affected | Not affected |
| xorg-server | Fixed | Fixed | Fixed | Fixed |
| xwayland | Fixed | Fixed | Not in release | — |
| xorg-server-hwe-16.04 | Not in release | Not in release | Not in release | — |
| xorg-server-hwe-18.04 | Not in release | Not in release | Not in release | Fixed |
| xorg-hwe-16.04 | Not in release | Not in release | Not in release | — |
| xorg-hwe-18.04 | Not in release | Not in release | Not in release | Not affected |
Some fixes available 12 of 14
A use-after-free vulnerability was found in the ProcRenderAddGlyphs() function of Xorg servers. This issue occurs when AllocateGlyph() is called to store new glyphs sent by the client to the X server, potentially resulting in...
7 affected packages
xorg, xorg-server, xwayland, xorg-server-hwe-16.04, xorg-server-hwe-18.04...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| xorg | Not affected | Not affected | Not affected | Not affected |
| xorg-server | Fixed | Fixed | Fixed | Fixed |
| xwayland | Not affected | Fixed | Not in release | — |
| xorg-server-hwe-16.04 | Not in release | Not in release | Not in release | — |
| xorg-server-hwe-18.04 | Not in release | Not in release | Not in release | Needs evaluation |
| xorg-hwe-16.04 | Not in release | Not in release | Not in release | — |
| xorg-hwe-18.04 | Not in release | Not in release | Not in release | Not affected |