CVE-2021-47482

CVE-2021-47482 concerns a Linux kernel issue in the batman-adv code path. The root cause was incorrect error handling in batadv_mesh_init(), which could trigger a free when some batadv_init() failed and risk operating on uninitialized fields. Syzbot observed an ODEBUG warning in batadv_nc_mesh_fr...

CVE-2021-47483 regmap: Fix possible double-free in regcache_rbtree_exit()

In the Linux kernel, the following vulnerability has been resolved: regmap: Fix possible double-free in regcacherbtreeexit In regcacherbtreeinserttoblock, when 'present' realloc failed, the 'blk' which is supposed to assign to 'rbnode-block' will be freed, so 'rbnode-block' points a freed memory,...

CVE-2021-47482 net: batman-adv: fix error handling

In the Linux kernel, the following vulnerability has been resolved: net: batman-adv: fix error handling Syzbot reported ODEBUG warning in batadvncmeshfree. The problem was in wrong error handling in batadvmeshinit. Before this patch batadvmeshinit was calling batadvmeshfree in case of any...

CVE-2021-47482

In the Linux kernel, the following vulnerability has been resolved: net: batman-adv: fix error handling Syzbot reported ODEBUG warning in batadvncmeshfree. The problem was in wrong error handling in batadvmeshinit. Before this patch batadvmeshinit was calling batadvmeshfree in case of any...

CVE-2021-47483

CVE-2021-47483 affects the Linux kernel regmap subsystem (regcache_rbtree). The issue is a double-free in error handling when a reallocation fails, causing rbnode->block to reference freed memory. The fix moves the rbnode->block assignment to immediately after a successful reallocation, ens...

CVE-2021-47482 net: batman-adv: fix error handling

In the Linux kernel, the following vulnerability has been resolved: net: batman-adv: fix error handling Syzbot reported ODEBUG warning in batadvncmeshfree. The problem was in wrong error handling in batadvmeshinit. Before this patch batadvmeshinit was calling batadvmeshfree in case of any...

CVE-2021-47477

CVE-2021-47477 is documented in connected advisories as a Linux kernel issue affecting comedi: dt9812. The root cause is DMA buffers being allocated on the stack for USB transfers; the fix allocates proper transfer buffers in the command helpers and returns an error on short transfers instead of ...

CVE-2021-47446

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a4xx: fix error handling in a4xxgpuinit This code returns 1 on error instead of a negative error. It leads to an Oops in the caller. A second problem is that the check for "if ret != -ENODATA" cannot be true because "ret"...

DEBIAN-CVE-2021-47446

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a4xx: fix error handling in a4xxgpuinit This code returns 1 on error instead of a negative error. It leads to an Oops in the caller. A second problem is that the check for "if ret != -ENODATA" cannot be true because "ret"...

CVE-2021-47447

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a3xx: fix error handling in a3xxgpuinit These error paths returned 1 on failure, instead of a negative error code. This would lead to an Oops in the caller. A second problem is that the check for "if ret != -ENODATA" did...

CVE-2021-47447

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a3xx: fix error handling in a3xxgpuinit These error paths returned 1 on failure, instead of a negative error code. This would lead to an Oops in the caller. A second problem is that the check for "if ret != -ENODATA" did...

CVE-2021-47446

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a4xx: fix error handling in a4xxgpuinit This code returns 1 on error instead of a negative error. It leads to an Oops in the caller. A second problem is that the check for "if ret != -ENODATA" cannot be true because "ret"...

UBUNTU-CVE-2021-47446

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a4xx: fix error handling in a4xxgpuinit This code returns 1 on error instead of a negative error. It leads to an Oops in the caller. A second problem is that the check for "if ret != -ENODATA" cannot be true because "ret"...

CVE-2021-47447

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a3xx: fix error handling in a3xxgpuinit These error paths returned 1 on failure, instead of a negative error code. This would lead to an Oops in the caller. A second problem is that the check for "if ret != -ENODATA" did...

CVE-2021-47447 drm/msm/a3xx: fix error handling in a3xx_gpu_init()

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a3xx: fix error handling in a3xxgpuinit These error paths returned 1 on failure, instead of a negative error code. This would lead to an Oops in the caller. A second problem is that the check for "if ret != -ENODATA" did...

CVE-2021-47447

The CVE-2021-47447 issue concerns the Linux kernel DRM MSM A3XX driver: drm/msm/a3xx_gpu_init() contained error paths that returned 1 on failure instead of a negative error code, and a check for ret != -ENODATA failed because ret was 1, risking an Oops in the caller. Astra Linux advisory confirms...

CVE-2021-47447 drm/msm/a3xx: fix error handling in a3xx_gpu_init()

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a3xx: fix error handling in a3xxgpuinit These error paths returned 1 on failure, instead of a negative error code. This would lead to an Oops in the caller. A second problem is that the check for "if ret != -ENODATA" did...

CVE-2021-47446 drm/msm/a4xx: fix error handling in a4xx_gpu_init()

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a4xx: fix error handling in a4xxgpuinit This code returns 1 on error instead of a negative error. It leads to an Oops in the caller. A second problem is that the check for "if ret != -ENODATA" cannot be true because "ret"...

CVE-2021-47446 drm/msm/a4xx: fix error handling in a4xx_gpu_init()

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a4xx: fix error handling in a4xxgpuinit This code returns 1 on error instead of a negative error. It leads to an Oops in the caller. A second problem is that the check for "if ret != -ENODATA" cannot be true because "ret"...

CVE-2021-47446

The CVE-2021-47446 issue affects the Linux kernel DRM MSM MSM Adreno a4xx GPU driver, specifically in a4xx_gpu_init(). The vulnerability arises from error handling that returned 1 on error instead of a negative error code, causing an Oops in the caller. A second problem was that the check for if ...